Dyfyniad APA

Levin,Richard I. (2002). Statistics for Management (7th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Levin,Richard I. Statistics for Management. 7th ed. India: Pearson Education, 2002.

Dyfyniad MLA

Levin,Richard I. Statistics for Management. 7th ed. Pearson Education, 2002.

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