Dyfyniad APA

Howell, D. C. (1987). Statistical methods for psychology (Second edition.). Duxbury Press.

Dyfyniad Arddull Chicago

Howell, David C. Statistical Methods for Psychology. Second edition. Boston: Duxbury Press, 1987.

Dyfyniad MLA

Howell, David C. Statistical Methods for Psychology. Second edition. Duxbury Press, 1987.

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