Παραπομπή APA
Phillips, W. (1968). A Manual of Political Economy with particular reference to the United States. New York: Augustus M. Kelley.
Παραπομπή Chicago StylePhillips, Willard. A Manual of Political Economy With Particular Reference to the United States. New York: Augustus M. Kelley, 1968.
Παραπομπή MLAPhillips, Willard. A Manual of Political Economy With Particular Reference to the United States. New York: Augustus M. Kelley, 1968.
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