APA (7th ed.) Zitazioa

Wellman, G. (1982). Hearsay: Listening work, teacher's book (1a. ed.). Nelson.

Chicago Style (17th ed.) Zitazioa

Wellman, Guy. Hearsay: Listening Work, Teacher's Book. 1a. ed. Nairobi: Nelson, 1982.

MLA (9th ed.) Zitazioa

Wellman, Guy. Hearsay: Listening Work, Teacher's Book. 1a. ed. Nelson, 1982.