Dyfyniad APA

Kurtz, N. R. (1983). Introduction to social statistics. Mc Graw-Hill Book Company.

Dyfyniad Arddull Chicago

Kurtz, Norman R. Introduction to Social Statistics. London: Mc Graw-Hill Book Company, 1983.

Dyfyniad MLA

Kurtz, Norman R. Introduction to Social Statistics. Mc Graw-Hill Book Company, 1983.

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