Dyfyniad APA

(2017). The Chicago manual of style (Seventeenth edition.). The University of Chicago Press.

Dyfyniad Arddull Chicago

The Chicago Manual of Style. Seventeenth edition. Chicago: The University of Chicago Press, 2017.

Dyfyniad MLA

The Chicago Manual of Style. Seventeenth edition. The University of Chicago Press, 2017.

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