Dyfyniad APA

ARMSTRONG GARY. (1991). PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI (5TH.). PRENTICE -HALL INTERNATIONAL; INC.

Dyfyniad Arddull Chicago

ARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1991.

Dyfyniad MLA

ARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. PRENTICE -HALL INTERNATIONAL; INC, 1991.

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