APA aipamena

Berk, L. E. (2004). Development through the lifespan. Boston: Allyn & Bacon.

Chicago Style aipamena

Berk, Laura E. Development Through the Lifespan. Boston: Allyn & Bacon, 2004.

MLA aipamena

Berk, Laura E. Development Through the Lifespan. Boston: Allyn & Bacon, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.