Dyfyniad APA

Modgil, S. (1974). Piagetian research: A handbook of recent studies. NFER [distributed in the U.S.A. by Humanities Press, New York].

Dyfyniad Arddull Chicago

Modgil, Sohan. Piagetian Research: A Handbook of Recent Studies. Windsor: NFER [distributed in the U.S.A. by Humanities Press, New York], 1974.

Dyfyniad MLA

Modgil, Sohan. Piagetian Research: A Handbook of Recent Studies. NFER [distributed in the U.S.A. by Humanities Press, New York], 1974.

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