APA-Zitierstil (7. Ausg.)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2008). Understanding business (8. ed., [internat. ed.].). McGraw-Hill/Irwin.

Chicago-Zitierstil (17. Ausg.)

Nickels, William G., James M. McHugh, und Susan M. McHugh. Understanding Business. 8. ed., [internat. ed.]. Boston, Mass. [u.a.]: McGraw-Hill/Irwin, 2008.

MLA-Zitierstil (9. Ausg.)

Nickels, William G., et al. Understanding Business. 8. ed., [internat. ed.]. McGraw-Hill/Irwin, 2008.