APA
Gupta G. S., . (1999). Managerial economics. New Delhi: Tata-McGraw Hill.
Chicago
Gupta G S, . 1999. Managerial economics. New Delhi: Tata-McGraw Hill.
Harvard
Gupta G. S., . (1999). Managerial economics. New Delhi: Tata-McGraw Hill.
MLA
Gupta G S, . Managerial economics. New Delhi: Tata-McGraw Hill. 1999.
