Tohutoro APA (7th ed.)
Carkhuff, R. R. (1974). How to help yourself: The art of program development. Human Resource Development Press.
Tohutoru Kātū Chicago (17th ed.)
Carkhuff, Robert R. How to Help Yourself: The Art of Program Development. Amherst, Massachusetts: Human Resource Development Press, 1974.
Tohutoro MLA (9th ed.)
Carkhuff, Robert R. How to Help Yourself: The Art of Program Development. Human Resource Development Press, 1974.
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