Dyfyniad APA

Heyns, R. W. (1958). The psychology of personal adjustment. Rinehart and winston.

Dyfyniad Arddull Chicago

Heyns, Roger W. The Psychology of Personal Adjustment. United state: Rinehart and winston, 1958.

Dyfyniad MLA

Heyns, Roger W. The Psychology of Personal Adjustment. Rinehart and winston, 1958.

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