APA (7th ed.) Zitazioa
Brehm, J. (2012). Help is on the way. University of Wisconsin Press.
Chicago Style (17th ed.) Zitazioa
Brehm, John. Help Is on the Way. Madison: University of Wisconsin Press, 2012.
MLA (9th ed.) Zitazioa
Brehm, John. Help Is on the Way. University of Wisconsin Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.