Dyfyniad APA

Lehmann, D. R., & Lehmann, D. R. (2002). Analysis for marketing planningDonald R. Lehmann, Russell S. Winer. McGraw-Hill.

Dyfyniad Arddull Chicago

Lehmann, Donald R., and Donald R. Lehmann. Analysis for Marketing PlanningDonald R. Lehmann, Russell S. Winer. McGraw-Hill, 2002.

Dyfyniad MLA

Lehmann, Donald R., and Donald R. Lehmann. Analysis for Marketing PlanningDonald R. Lehmann, Russell S. Winer. McGraw-Hill, 2002.

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