Cita APA (7th ed.)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2005). Concept mastery toolkit CD-ROM to accompany Understanding business (séptima edición.). McGraw-Hill.

Cita Chicago (17th ed.)

Nickels, William G., James M. McHugh, i Susan M. McHugh. Concept Mastery Toolkit CD-ROM to Accompany Understanding Business. séptima edición. Boston, MA: McGraw-Hill, 2005.

Cita MLA (9th ed.)

Nickels, William G., et al. Concept Mastery Toolkit CD-ROM to Accompany Understanding Business. séptima edición. McGraw-Hill, 2005.