Cita APA (7a ed.)

(2006). Annual editions. McGraw-Hill/Dushkin.

Cita Chicago Style (17a ed.)

Annual Editions. Dubuque, IA: McGraw-Hill/Dushkin, 2006.

Cita MLA (9a ed.)

Annual Editions. McGraw-Hill/Dushkin, 2006.

Precaución: Estas citas no son 100% exactas.