Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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