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 Style (17th ed.) CitationVan Hoorn, Judith Lieberman, Patricia Monighan Nourot, Barbara Scales, and Keith Rodriguez Alward. Play at the Center of Curriculum. Third edition. Upper Saddle River, New Jersey: Merrill/Prentice Hall, 2003.
ציטוט MLAVan Hoorn, Judith Lieberman, et al. Play at the Center of Curriculum. Third edition. Merrill/Prentice Hall, 2003.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.