APA (7e ed.) Bronvermelding

Boyd, D. R., Bee, H. L., & Bee, H. L. (2006). Lifespan development (4th ed.). Pearson/A and B.

Chicago (17e ed.) Bronvermelding

Boyd, Denise Roberts, Helen L. Bee, en Helen L. Bee. Lifespan Development. 4th ed. Boston, Mass: Pearson/A and B, 2006.

MLA (9e ed.) Bronvermelding

Boyd, Denise Roberts, et al. Lifespan Development. 4th ed. Pearson/A and B, 2006.