Dyfyniad APA

Griffiths, H. (2017). Introduction to Sociology (2nd.). Rice University.

Dyfyniad Arddull Chicago

Griffiths, Heather. Introduction to Sociology. 2nd. Texas: Rice University, 2017.

Dyfyniad MLA

Griffiths, Heather. Introduction to Sociology. 2nd. Rice University, 2017.

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