APA-čujuhus (7. p.)

Clark, C. (1957). The conditions of economic progress (3rd ed.). New York: St. Martins Pr..

Chicago-čujuhus (17. p.)

Clark, Colin. The Conditions of Economic Progress. 3rd ed. London: Macmillan: New York: St. Martins Pr., 1957.

MLA-čujuhus (9. p.)

Clark, Colin. The Conditions of Economic Progress. 3rd ed. New York: St. Martins Pr., 1957.

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