Heyel, C. (1973). The encyclopedia of management (2nd ed.). Van Nostrand Reinhold.
Chicago Style aipamenaHeyel, Carl. The Encyclopedia of Management. 2nd ed. New York: Van Nostrand Reinhold, 1973.
MLA aipamenaHeyel, Carl. The Encyclopedia of Management. 2nd ed. Van Nostrand Reinhold, 1973.
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