APA aipamena

Van Hoorn, J. (2011). Play at the center of the curriculum (5th ed.). Pearson.

Chicago Style aipamena

Van Hoorn, Judith. Play at the Center of the Curriculum. 5th ed. Boston: Pearson, 2011.

MLA aipamena

Van Hoorn, Judith. Play at the Center of the Curriculum. 5th ed. Pearson, 2011.