Não informado. (1961). Counselor Education and Supervision. American Association for Counseling and Development.
Style de citation Chicago (17e éd.)Não informado. Counselor Education and Supervision. Alexandria, Va: American Association for Counseling and Development, 1961.
Style de citation MLA (8e éd.)Não informado. Counselor Education and Supervision. American Association for Counseling and Development, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.