Gaya APA

Copple, C., Bredekamp, S. (2009). Developmentally appropriate practice in early childhood programs serving children from birth through age 8 / third edition (3). Washington D.C. : NAEYC.

Gaya MLA

Copple, Carol., Bredekamp, Sue. "Developmentally appropriate practice in early childhood programs serving children from birth through age 8 / third edition". 3 Washington D.C. : NAEYC, 2009. Text.