Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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