APA (7th ed.) Zitazioa
Alder, H. (2001). Say it with pictures. How To Books.
Chicago Style (17th ed.) Zitazioa
Alder, Harry. Say It with Pictures. Oxford: How To Books, 2001.
MLA (9th ed.) Zitazioa
Alder, Harry. Say It with Pictures. How To Books, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.