APA aipamena

gazzolo, p. a. (2008). the americana annual 2008. Grolier Incorporated.

Chicago Style aipamena

gazzolo, paul a. The Americana Annual 2008. Grolier Incorporated, 2008.

MLA aipamena

gazzolo, paul a. The Americana Annual 2008. Grolier Incorporated, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.