Thangiah, S. R., Karavias, M., Caldwell, R., Wherry, M., Seibert, J., Wahbeh, A., Miller, Z., & Gessinger, A. (o. J.). Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot [Electronic]. Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality, ((2019), Seite 135-154), , Seite 135-154. https://doi.org/10.1108/978-1-78756-687-320191008

THANGIAH, Sam R., KARAVIAS, Michael, CALDWELL, Ryan, WHERRY, Matthew, SEIBERT, Jessica, WAHBEH, Abdullah, MILLER, Zachariah und GESSINGER, Alexander, [no date]. Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot. Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality. No. (2019), Seite 135-154, p. , Seite 135-154. DOI 10.1108/978-1-78756-687-320191008.

Thangiah, S. R., M. Karavias, R. Caldwell, M. Wherry, J. Seibert, A. Wahbeh, Z. Miller, und A. Gessinger. „Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot“. Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality, electronic, Nr. (2019), Seite 135-154, Emerald Group Publishing Limited [Erscheinungsort nicht ermittelbar] : Emerald Publishing Limited, S. , Seite 135-154, https://doi.org/10.1108/978-1-78756-687-320191008.

Thangiah, Sam R./Karavias, Michael/Caldwell, Ryan/Wherry, Matthew/Seibert, Jessica/Wahbeh, Abdullah u. a.: Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot, Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality , Seite 135-154.

Thangiah, S.R., Karavias, M., Caldwell, R., Wherry, M., Seibert, J., Wahbeh, A., Miller, Z. und Gessinger, A. (o. J.). „Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot“, Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality, Emerald Group Publishing Limited [Erscheinungsort nicht ermittelbar] : Emerald Publishing Limited, Bingley, UK, No. (2019), Seite 135-154, S. , Seite 135-154.