Παραπομπή APA
Hicks, H. G., & Gullett, R. C. (1974). Modern business management: A systems and environmental approach. New York: McGraw-Hill.
Παραπομπή Chicago StyleHicks, Herbert G., and Ray C. Gullett. Modern Business Management: A Systems and Environmental Approach. New York: McGraw-Hill, 1974.
Παραπομπή MLAHicks, Herbert G., and Ray C. Gullett. Modern Business Management: A Systems and Environmental Approach. New York: McGraw-Hill, 1974.
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