WILLIAMSON. (1996). The ASTD trainer's sourcebook: Supervision. New York: McGraw-Hill.
Chicago Style CitationWILLIAMSON. The ASTD Trainer's Sourcebook: Supervision. New York: McGraw-Hill, 1996.
MLA CitationWILLIAMSON. The ASTD Trainer's Sourcebook: Supervision. New York: McGraw-Hill, 1996.
Warning: These citations may not always be 100% accurate.