Dyfyniad APA

Modgil, C., & Modgil, S. (1982). Jean Piaget: Consensus and controversy. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Modgil, Celia, and Sohan Modgil. Jean Piaget: Consensus and Controversy. London: Holt, Rinehart and Winston, 1982.

Dyfyniad MLA

Modgil, Celia, and Sohan Modgil. Jean Piaget: Consensus and Controversy. Holt, Rinehart and Winston, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.