Marc Najork, & The Pennsylvania State University Cite Seer X Archives. (2001). Web-based algorithm animation. http://www.cs.york.ac.uk/rts/docs/SIGDA-Compendium-1994-2004/papers/2001/dac01/pdffiles/31_3.Pdf.
ISO-690 (author-date, English)MARC NAJORK und THE PENNSYLVANIA STATE UNIVERSITY CITESEERX ARCHIVES, 2001. Web-based algorithm animation. http://www.cs.york.ac.uk/rts/docs/SIGDA-Compendium-1994-2004/papers/2001/dac01/pdffiles/31_3.pdf. 1 Januar 2001.
Modern Language Association 9th editionMarc Najork, und The Pennsylvania State University Cite Seer X Archives. „Web-Based Algorithm Animation“. http://www.cs.york.ac.uk/rts/docs/SIGDA-Compendium-1994-2004/papers/2001/dac01/pdffiles/31_3.Pdf, Januar 2001.
Mohr Siebeck - Recht (Deutsch - Österreich)Marc Najork/The Pennsylvania State University Cite Seer X Archives: Web-based algorithm animation, http://www.cs.york.ac.uk/rts/docs/SIGDA-Compendium-1994-2004/papers/2001/dac01/pdffiles/31_3.pdf 2001,
Emerald - HarvardMarc Najork und The Pennsylvania State University Cite Seer X Archives. (2001), „Web-based algorithm animation“, http://www.cs.york.ac.uk/rts/docs/SIGDA-Compendium-1994-2004/papers/2001/dac01/pdffiles/31_3.Pdf.