APA (7th ed.) Zitazioa

Stafford, T. (1984). Friendship across cultures. STL Books.

Chicago Style (17th ed.) Zitazioa

Stafford, Tim. Friendship Across Cultures. England: STL Books, 1984.

MLA (9th ed.) Zitazioa

Stafford, Tim. Friendship Across Cultures. STL Books, 1984.