APA aipamena

Boyd, D., & Bee, H. L. (2009). Lifespan development (Fifth edition.). Pearson Education, Inc.

Chicago Style aipamena

Boyd, Denise, and Helen L. Bee. Lifespan Development. Fifth edition. Boston, MA: Pearson Education, Inc, 2009.

MLA aipamena

Boyd, Denise, and Helen L. Bee. Lifespan Development. Fifth edition. Pearson Education, Inc, 2009.