Cohen, L. (1954). Statistical methods for social scientists: An introduction. Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)Cohen, Lillian. Statistical Methods for Social Scientists: An Introduction. New York: Prentice-Hall, 1954.
Tohutoro MLA (9th ed.)Cohen, Lillian. Statistical Methods for Social Scientists: An Introduction. Prentice-Hall, 1954.
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