Dyfyniad APA

Greenberg, J. S. (1990). Comprehensive stress management (3rd.ed.). Wm. C. Brown publishers.

Dyfyniad Arddull Chicago

Greenberg, Jerrold S. Comprehensive Stress Management. 3rd.ed. U.S.A: Wm. C. Brown publishers, 1990.

Dyfyniad MLA

Greenberg, Jerrold S. Comprehensive Stress Management. 3rd.ed. Wm. C. Brown publishers, 1990.

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