APA-referens (7:e uppl.)

Perraton, H., Creed, C., & Robinson, B. (2002). Teacher education guidelines: Using open distance learning. UNESCO.

Chicago-referens (17:e uppl.)

Perraton, Hilary, Charlote Creed, och Bernadette Robinson. Teacher Education Guidelines: Using Open Distance Learning. Paris, Francia: UNESCO, 2002.

MLA-referens (9:e uppl.)

Perraton, Hilary, et al. Teacher Education Guidelines: Using Open Distance Learning. UNESCO, 2002.