Robinson, D. A., Lester, C. R., & Hamilton, N. M. (1998). Delivering computer assisted learning across the WWW. Computer Networks & ISDN Systems, 30(1-7), 301-307. https://doi.org/10.1016/S0169-7552(98)00065-8

ROBINSON, David A., LESTER, Callum R. und HAMILTON, Neil M., 1998. Delivering computer assisted learning across the WWW. Computer Networks & ISDN Systems. 1 April 1998. Vol. 30, no. 1-7, p. 301-307. DOI 10.1016/S0169-7552(98)00065-8.

Robinson, D. A., C. R. Lester, und N. M. Hamilton. „Delivering Computer Assisted Learning across the WWW.“. Computer Networks & ISDN Systems, Bd. 30, Nr. 1-7, April 1998, S. 301-7, https://doi.org/10.1016/S0169-7552(98)00065-8.

Robinson, David A./Lester, Callum R./Hamilton, Neil M.: Delivering computer assisted learning across the WWW., Computer Networks & ISDN Systems 1998, 301-307.

Robinson, D.A., Lester, C.R. und Hamilton, N.M. (1998), „Delivering computer assisted learning across the WWW.“, Computer Networks & ISDN Systems, Vol. 30 No. 1-7, S. 301-307.