Wadsworth, B. J. (2004). Piaget's theory of cognitive and affective development (5a. ed.). Pearson Education Inc.
Chicago Style (17th ed.) CitationWadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 5a. ed. Boston: Pearson Education Inc, 2004.
MLA (9th ed.) CitationWadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 5a. ed. Pearson Education Inc, 2004.
Warning: These citations may not always be 100% accurate.