Wolpert, L. (2002). Principles of development (2nd ed.). Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoWolpert, L. Principles of Development. 2nd ed. Oxford: Oxford University Press, 2002.
Deismireacht MLAWolpert, L. Principles of Development. 2nd ed. Oxford: Oxford University Press, 2002.
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