Hicks, H. G., & Gullett, C. R. (1974). Modern business management: Systems and environmental approach. McGraw-Hill.
Citace podle Chicago (17th ed.)Hicks, Herbert G., a C. Ray Gullett. Modern Business Management: Systems and Environmental Approach. New York: McGraw-Hill, 1974.
Citace podle MLA (9th ed.)Hicks, Herbert G., a C. Ray Gullett. Modern Business Management: Systems and Environmental Approach. McGraw-Hill, 1974.
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