Papandreou, A. G., & Wheeler, J. T. (1954). Competition and its regulation. Prentice-Hall.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPapandreou, Andreas George, এবং John T. Wheeler. Competition and Its Regulation. New York: Prentice-Hall, 1954.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPapandreou, Andreas George, এবং John T. Wheeler. Competition and Its Regulation. Prentice-Hall, 1954.