APA (7e ed.) Bronvermelding

Wolpert, L., Tickle, C., Arias, A. M., & Lawrence, P. (2015). Principles of development (Fifth edition.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Wolpert, Lewis, Cheryll Tickle, Alfonso Martinez Arias, en Peter Lawrence. Principles of Development. Fifth edition. Oxford, United Kingdom: Oxford University Press, 2015.

MLA (9e ed.) Bronvermelding

Wolpert, Lewis, et al. Principles of Development. Fifth edition. Oxford University Press, 2015.