Cita APA (7th ed.)

Zirpoli, T. J. (1995). Understanding and affecting the behavior of young children. Merrill.

Cita Chicago (17th ed.)

Zirpoli, Thomas J. Understanding and Affecting the Behavior of Young Children. Englewood Cliffs, N.J: Merrill, 1995.

Cita MLA (9th ed.)

Zirpoli, Thomas J. Understanding and Affecting the Behavior of Young Children. Merrill, 1995.