Citace podle APA (7th ed.)

Não informado. (1940). Main Currents in Modern Thought. Center for Integrated Education.

Citace podle Chicago (17th ed.)

Não informado. Main Currents in Modern Thought. New York: Center for Integrated Education, 1940.

Citace podle MLA (8th ed.)

Não informado. Main Currents in Modern Thought. Center for Integrated Education, 1940.

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