Crain, W. (2005). Theories of development: Concepts and applications (5th edition.). Pearson/Prentice Hall.
Chicago (17e ed.) BronvermeldingCrain, William. Theories of Development: Concepts and Applications. 5th edition. Upper Saddle River, New Jersey: Pearson/Prentice Hall, 2005.
MLA (9e ed.) BronvermeldingCrain, William. Theories of Development: Concepts and Applications. 5th edition. Pearson/Prentice Hall, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.