Paul, S. (2001). Teori Perkembangan Kognitif Jean Piaget / Paul Suparno. Kanisius.
Chicago Style (17th ed.) CitationPaul, Suparno. Teori Perkembangan Kognitif Jean Piaget / Paul Suparno. Kanisius, 2001.
MLA (8th ed.) CitationPaul, Suparno. Teori Perkembangan Kognitif Jean Piaget / Paul Suparno. Kanisius, 2001.
Warning: These citations may not always be 100% accurate.