APA (7th ed.) Zitazioa
Cole, D. (1997). Economics 97/98 (26th ed.). Dushkin/McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Cole, Don. Economics 97/98. 26th ed. Gulliford: Dushkin/McGraw-Hill, 1997.
MLA (9th ed.) Zitazioa
Cole, Don. Economics 97/98. 26th ed. Dushkin/McGraw-Hill, 1997.
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