Cunningham, L. M., & Peter, H. J. 1. . . j. a. (1973). Counseling theories: A selective examination for school counselors. Merrill.
Lua i Stíl Chicago (17ú heag.)Cunningham, Louis M., agus Herman Jacob 1917- joint auth Peter. Counseling Theories: A Selective Examination for School Counselors. Columbus, Ohio: Merrill, 1973.
Lua MLA (9ú heag.)Cunningham, Louis M., agus Herman Jacob 1917- joint auth Peter. Counseling Theories: A Selective Examination for School Counselors. Merrill, 1973.
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