Friedman, B. M. (1978). New challenges to the role of profit. Lexington Books.
Cita Chicago (17th ed.)Friedman, Benjamin M. New Challenges to the Role of Profit. Lexington, Mass.: Lexington Books, 1978.
Cita MLA (8th ed.)Friedman, Benjamin M. New Challenges to the Role of Profit. Lexington Books, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.