Παραπομπή APA

Gupta, H. C., & McConnell, C. R. (1974). Economics: Principles, problems and policies. Tata mc graw - hill publishing company limited.

Παραπομπή Chicago Style

Gupta, Harish C., και Campbell R. McConnell. Economics: Principles, Problems and Policies. Newdelhi: Tata mc graw - hill publishing company limited, 1974.

Παραπομπή MLA

Gupta, Harish C., και Campbell R. McConnell. Economics: Principles, Problems and Policies. Tata mc graw - hill publishing company limited, 1974.