Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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