APA استشهاد

Wolpert, L. (2007). Principles of development (3rd.). Oxford University Press.

استشهاد بنمط شيكاغو

Wolpert, Lewis. Principles of Development. 3rd. Oxford: Oxford University Press, 2007.

MLA استشهاد

Wolpert, Lewis. Principles of Development. 3rd. Oxford University Press, 2007.