Marshall, D. R. (1999). The four elements of successful management: Select, direct, evaluate, reward. American Management Association.
Chicago Style (17th ed.) CitationMarshall, Don R. The Four Elements of Successful Management: Select, Direct, Evaluate, Reward. New York: American Management Association, 1999.
MLA (8th ed.) CitationMarshall, Don R. The Four Elements of Successful Management: Select, Direct, Evaluate, Reward. American Management Association, 1999.
Warning: These citations may not always be 100% accurate.