APA aipamena

Copple, C. (1991). Quality matters: Improving the professional development of the early childhood work force. National Institute for Early Childhood Professional Development.

Chicago Style aipamena

Copple, Carol. Quality Matters: Improving the Professional Development of the Early Childhood Work Force. Washington, DC: National Institute for Early Childhood Professional Development, 1991.

MLA aipamena

Copple, Carol. Quality Matters: Improving the Professional Development of the Early Childhood Work Force. National Institute for Early Childhood Professional Development, 1991.