Gaya APA

Kanter, F, H., Goldstein, A, P. (1988). Helping People Change A Textbook of Methods, Third Edition (Ed.3). New York: pergamon Press.

Gaya MLA

Kanter, Frederick, H.., Goldstein, Arnold, P.. "Helping People Change A Textbook of Methods, Third Edition". Ed.3 New York: pergamon Press, 1988. Buku PSI.