APA aipamena

Laura E Berk. (2014). Exploring lifespan development. Pearson.

Chicago Style aipamena

Laura E Berk. Exploring Lifespan Development. Boston: Pearson, 2014.

MLA aipamena

Laura E Berk. Exploring Lifespan Development. Pearson, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.