Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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