APA

Gupta G. S., . (1999). Managerial economics. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Gupta G S, . 1999. Managerial economics. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Gupta G. S., . (1999). Managerial economics. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Gupta G S, . Managerial economics. : TATA McGraw-Hill Publishing Company, New Delhi. 1999.