Ovens, G., & Beach, D. I. (1972). Business and securities valuation. Methuen.
芝加哥风格引文Ovens, Geo., 与 Donald I. Beach. Business and Securities Valuation. Toronto: Methuen, 1972.
MLA引文Ovens, Geo., 与 Donald I. Beach. Business and Securities Valuation. Methuen, 1972.
警告：这些引文格式不一定是100％准确.