Gupta, H. C., & McConnell, C. R. (1974). Economics: Principles, problems and policies. Tata mc graw - hill publishing company limited.
استشهاد بنمط شيكاغوGupta, Harish C., و Campbell R. McConnell. Economics: Principles, Problems and Policies. Newdelhi: Tata mc graw - hill publishing company limited, 1974.
MLA استشهادGupta, Harish C., و Campbell R. McConnell. Economics: Principles, Problems and Policies. Tata mc graw - hill publishing company limited, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.