Dyfyniad APA

LANCASTER, G. (1993). Essential Of Marketing. McGraw-Hill.

Dyfyniad Arddull Chicago

LANCASTER, Gooffrey. Essential Of Marketing. McGraw-Hill, 1993.

Dyfyniad MLA

LANCASTER, Gooffrey. Essential Of Marketing. McGraw-Hill, 1993.

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