Dyfyniad APA

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1993). Understanding business (3rd edition.). Irwin.

Dyfyniad Arddull Chicago

Nickels, William G., James M. McHugh, and Susan M. McHugh. Understanding Business. 3rd edition. Homewood, IL: Irwin, 1993.

Dyfyniad MLA

Nickels, William G., et al. Understanding Business. 3rd edition. Irwin, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.