APA (7th ed.) Zitazioa

Clark, C. (1951). The conditions of economic progress (2d ed. completely rewritten.). Macmillan.

Chicago Style (17th ed.) Zitazioa

Clark, Colin. The Conditions of Economic Progress. 2d ed. completely rewritten. London: Macmillan, 1951.

MLA (9th ed.) Zitazioa

Clark, Colin. The Conditions of Economic Progress. 2d ed. completely rewritten. Macmillan, 1951.

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