Dyfyniad APA

Simon, D. (2006). Fifty key thinkers on development. New York: Routledge.

Dyfyniad Arddull Chicago

Simon, David. Fifty Key Thinkers On Development. New York: Routledge, 2006.

Dyfyniad MLA

Simon, David. Fifty Key Thinkers On Development. New York: Routledge, 2006.

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