APA (7th ed.) Zitazioa
Kaplan, P. S. (1993). The human odyssey: Life-span development (2nd ed.). West Pub. Co..
Chicago Style (17th ed.) Zitazioa
Kaplan, Paul S. The Human Odyssey: Life-span Development. 2nd ed. Minneapolis/St. Paul: West Pub. Co., 1993.
MLA (9th ed.) Zitazioa
Kaplan, Paul S. The Human Odyssey: Life-span Development. 2nd ed. West Pub. Co., 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.