Dyfyniad APA

Vacc, N. A., Loesch, L. C., & Vacc, N. A. (1994). A professional orientation to counseling (2nd ed.). Accelerated Development.

Dyfyniad Arddull Chicago

Vacc, Nicholas A., Larry C. Loesch, and Nicholas A. Vacc. A Professional Orientation to Counseling. 2nd ed. Muncie, Ind: Accelerated Development, 1994.

Dyfyniad MLA

Vacc, Nicholas A., et al. A Professional Orientation to Counseling. 2nd ed. Accelerated Development, 1994.

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