Tohutoro APA (7th ed.)
Gupta, G. S. (1988). Managerial economics. Tata McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)
Gupta, G S. Managerial Economics. New Delhi: Tata McGraw-Hill, 1988.
Tohutoro MLA (9th ed.)
Gupta, G S. Managerial Economics. Tata McGraw-Hill, 1988.
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