Cita APA (7th ed.)
Cole, D. (1997). Economics 97/98 (26th ed.). Dushkin/McGraw-Hill.
Cita Chicago (17th ed.)
Cole, Don. Economics 97/98. 26th ed. Gulliford: Dushkin/McGraw-Hill, 1997.
Cita MLA (9th ed.)
Cole, Don. Economics 97/98. 26th ed. Dushkin/McGraw-Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.