APA (7th ed.) Zitazioa

Howard, M. C. (1983). Profits in economic theory. St. Martin's Press.

Chicago Style (17th ed.) Zitazioa

Howard, Michael Charles. Profits in Economic Theory. New York: St. Martin's Press, 1983.

MLA (9th ed.) Zitazioa

Howard, Michael Charles. Profits in Economic Theory. St. Martin's Press, 1983.

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