Ovens, G., & Beach, D. I. (1972). Business and securities valuation. Methuen.
Chicago Style (17. basım) AtıfOvens, Geo., ve Donald I. Beach. Business and Securities Valuation. Toronto: Methuen, 1972.
MLA (8th ed.) AtıfOvens, Geo., ve Donald I. Beach. Business and Securities Valuation. Methuen, 1972.
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