Tohutoro APA (7th ed.)

Nickels, W. G., & McHugh, J. M. (1987). Understanding business (4th ed.). IRWIN.

Tohutoru Kātū Chicago (17th ed.)

Nickels, William G., me James M. McHugh. Understanding Business. 4th ed. Chicago: IRWIN, 1987.

Tohutoro MLA (9th ed.)

Nickels, William G., me James M. McHugh. Understanding Business. 4th ed. IRWIN, 1987.