Heyne, P. T. (1994). The economic way of thinking (7th ed.). MacMillan College Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International.
Chicago Style aipamenaHeyne, Paul T. The Economic Way of Thinking. 7th ed. New York : Toronto : New York: MacMillan College Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International, 1994.
MLA aipamenaHeyne, Paul T. The Economic Way of Thinking. 7th ed. MacMillan College Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International, 1994.
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