APA aipamena

Bingham, R. C. (1987). Economic concepts: A programmed approach. New York: McGraw-Hill Book Company.

Chicago Style aipamena

Bingham, Robert C. Economic Concepts: A Programmed Approach. New York: McGraw-Hill Book Company, 1987.

MLA aipamena

Bingham, Robert C. Economic Concepts: A Programmed Approach. New York: McGraw-Hill Book Company, 1987.

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