Gaya APA

PFEIFFER, W., BALLEW, A, C. (1988). UA Training Techologies 7 : Presentation and Evaluation Skills In Human Resource Development. . Upper Saddle River, NJ: Libraries Unlimited.

Gaya MLA

PFEIFFER, WILLIAM., BALLEW, ARLETTE, C. "UA Training Techologies 7 : Presentation and Evaluation Skills In Human Resource Development.". Upper Saddle River, NJ: Libraries Unlimited, 1988. Text.