APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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