Cita APA (7th ed.)

Clark, M. M. (1989). Understanding research in early childhood education. Gordon and Breach.

Cita Chicago (17th ed.)

Clark, Margaret Macdonald. Understanding Research in Early Childhood Education. New York: Gordon and Breach, 1989.

Cita MLA (9th ed.)

Clark, Margaret Macdonald. Understanding Research in Early Childhood Education. Gordon and Breach, 1989.