Dyfyniad APA

Babbie, E. R. (2017). The Basics of social research (Seventh edition.). Cengage Learning.

Dyfyniad Arddull Chicago

Babbie, Earl R. The Basics of Social Research. Seventh edition. Boston, Massachusetts: Cengage Learning, 2017.

Dyfyniad MLA

Babbie, Earl R. The Basics of Social Research. Seventh edition. Cengage Learning, 2017.

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