Ekman, E. V. (1978). Some dynamic economic models of the firm: A microeconomic analysis with emphasis on firms that maximize other goals than profit alone. Economic Research Institute at the Stockholm School of Economics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ekman, Elon V. Some Dynamic Economic Models of the Firm: A Microeconomic Analysis with Emphasis on Firms That Maximize Other Goals than Profit Alone. Stockholm: Economic Research Institute at the Stockholm School of Economics, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ekman, Elon V. Some Dynamic Economic Models of the Firm: A Microeconomic Analysis with Emphasis on Firms That Maximize Other Goals than Profit Alone. Economic Research Institute at the Stockholm School of Economics, 1978.
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