APA aipamena

Susan Lannuzzi. (2009). First friends 1 teacher's book.

Chicago Style aipamena

Susan Lannuzzi. First Friends 1 Teacher's Book. 2009.

MLA aipamena

Susan Lannuzzi. First Friends 1 Teacher's Book. 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.