Piaget, J. (1976). Piaget sampler: An introd. to Jean Piaget through his own words. Wiley.
Chicago-Zitierstil (17. Ausg.)Piaget, Jean. Piaget Sampler: An Introd. to Jean Piaget Through His Own Words. New York: Wiley, 1976.
MLA-Zitierstil (9. Ausg.)Piaget, Jean. Piaget Sampler: An Introd. to Jean Piaget Through His Own Words. Wiley, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.