APA

Bredekamp S., Copple & National Association for the Education of Young Children. (2000). Developmentally appropriate practice in early childhood programs. Washington, DC: National Association for the Education of Young Children.

Chicago

Bredekamp Sue, Copple and National Association for the Education of Young Children. 2000. Developmentally appropriate practice in early childhood programs. Washington, DC: National Association for the Education of Young Children.

Harvard

Bredekamp S., Copple and National Association for the Education of Young Children. (2000). Developmentally appropriate practice in early childhood programs. Washington, DC: National Association for the Education of Young Children.

MLA

Bredekamp Sue, Copple and National Association for the Education of Young Children. Developmentally appropriate practice in early childhood programs. Washington, DC: National Association for the Education of Young Children. 2000.