Παραπομπή APA
Loucks, W. N., & Whitney, W. G. (1973). Comparative economic systems (9th ed.). New York: Harper & Row.
Παραπομπή Chicago StyleLoucks, William Negele, and William G. Whitney. Comparative Economic Systems. 9th ed. New York: Harper & Row, 1973.
Παραπομπή MLALoucks, William Negele, and William G. Whitney. Comparative Economic Systems. 9th ed. New York: Harper & Row, 1973.
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