Wolfgang, C. H., & Wolfgang, M. E. (1999). School for young children: Developmentally appropriate practices (2nd ed.). Boston: Allyn and Bacon.
Trích dẫn kiểu ChicagoWolfgang, Charles H., và Mary E. Wolfgang. School for Young Children: Developmentally Appropriate Practices. 2nd ed. Boston: Allyn and Bacon, 1999.
MLA CitationWolfgang, Charles H., và Mary E. Wolfgang. School for Young Children: Developmentally Appropriate Practices. 2nd ed. Boston: Allyn and Bacon, 1999.
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