APA-viite (7. p.)

Van Hoorn, J. L., Nourot, P. M., Scales, B., & Alward, K. R. (2003). Play at the center of curriculum (Third edition.). Merrill/Prentice Hall.

Chicago-viite (17. p.)

Van Hoorn, Judith Lieberman, Patricia Monighan Nourot, Barbara Scales, ja Keith Rodriguez Alward. Play at the Center of Curriculum. Third edition. Upper Saddle River, New Jersey: Merrill/Prentice Hall, 2003.

MLA-viite (9. p.)

Van Hoorn, Judith Lieberman, et al. Play at the Center of Curriculum. Third edition. Merrill/Prentice Hall, 2003.