APA aipamena

(1993). Peterson's Annual Guide to Graduation Study. Peterson's Guides.

Chicago Style aipamena

Peterson's Annual Guide to Graduation Study. New Jersey: Peterson's Guides, 1993.

MLA aipamena

Peterson's Annual Guide to Graduation Study. Peterson's Guides, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.