APA-referens (7:e uppl.)
Carkhuff, R. R. (1974). How to help yourself: The art of program development. Human Resource Development Press.
Chicago-referens (17:e uppl.)
Carkhuff, Robert R. How to Help Yourself: The Art of Program Development. Amherst, Massachusetts: Human Resource Development Press, 1974.
MLA-referens (9:e uppl.)
Carkhuff, Robert R. How to Help Yourself: The Art of Program Development. Human Resource Development Press, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.