Dyfyniad APA

Levin, R. I. (1989). Quantitative approaches to management (7th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Levin, Richard I. Quantitative Approaches to Management. 7th ed. New York: McGraw-Hill, 1989.

Dyfyniad MLA

Levin, Richard I. Quantitative Approaches to Management. 7th ed. McGraw-Hill, 1989.

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