APA
Gupta G. S., . (1996). Managerial Economics. New Delhi: Tata McGraw Hill.
Chicago
Gupta G S, . 1996. Managerial Economics. New Delhi: Tata McGraw Hill.
Harvard
Gupta G. S., . (1996). Managerial Economics. New Delhi: Tata McGraw Hill.
MLA
Gupta G S, . Managerial Economics. New Delhi: Tata McGraw Hill. 1996.