Παραπομπή σε μορφή APA (7η εκδ.)

Collis, B. (1996). Tele-learning in a digital world: The future of distance learning. International Thomson Computer Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Collis, Betty. Tele-learning in a Digital World: The Future of Distance Learning. London: International Thomson Computer Press, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Collis, Betty. Tele-learning in a Digital World: The Future of Distance Learning. International Thomson Computer Press, 1996.