Gaya APA

Bredekamp, S. (1992). Developmentally appropriate practice in early childhood programs serving children from birth through age 8 . Washington: National Association for the Education of Young Children.

Gaya MLA

Bredekamp, Sue. "Developmentally appropriate practice in early childhood programs serving children from birth through age 8". Washington: National Association for the Education of Young Children, 1992. Text.