Dyfyniad APA

Kail, R. V. (2007). Children and their development (fourth edition.). Prentice Hall.

Dyfyniad Arddull Chicago

Kail, Robert V. Children and Their Development. fourth edition. Upper Saddle River, N.J: Prentice Hall, 2007.

Dyfyniad MLA

Kail, Robert V. Children and Their Development. fourth edition. Prentice Hall, 2007.

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