APA (7th ed.) Zitazioa
Rohlf, W. D. (1999). Introduction to economic reasoning (4th ed.). Addison-Wesley.
Chicago Style (17th ed.) Zitazioa
Rohlf, Willaam D. Introduction to Economic Reasoning. 4th ed. Reading, MA: Addison-Wesley, 1999.
MLA (9th ed.) Zitazioa
Rohlf, Willaam D. Introduction to Economic Reasoning. 4th ed. Addison-Wesley, 1999.
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