Cita APA (7th ed.)

Gorman, R. M. (1972). Discovering Piaget: A guide for teachers. Merrill.

Cita Chicago (17th ed.)

Gorman, Richard M. Discovering Piaget: A Guide for Teachers. Columbus, Ohio: Merrill, 1972.

Cita MLA (8th ed.)

Gorman, Richard M. Discovering Piaget: A Guide for Teachers. Merrill, 1972.