stonier, a. W., & hague, d. C. (1960). competitive industry: A text book of economic theory. the institute of national planning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিstonier, alfred W., এবং douglas C. hague. Competitive Industry: A Text Book of Economic Theory. cairo: the institute of national planning, 1960.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিstonier, alfred W., এবং douglas C. hague. Competitive Industry: A Text Book of Economic Theory. the institute of national planning, 1960.