Dyfyniad APA

Parrott, L. (1999). How to write psychology papers (2nd.ed.). Longman.

Dyfyniad Arddull Chicago

Parrott, Les. How to Write Psychology Papers. 2nd.ed. New York: Longman, 1999.

Dyfyniad MLA

Parrott, Les. How to Write Psychology Papers. 2nd.ed. Longman, 1999.

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