APA aipamena

GIRARDET, J. (2010). Echo B1: Methode de francais. CLE Publisher.

Chicago Style aipamena

GIRARDET, J. Echo B1: Methode De Francais. CLE Publisher, 2010.

MLA aipamena

GIRARDET, J. Echo B1: Methode De Francais. CLE Publisher, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.