ARMSTRONG GARY. (1991). PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI (5TH.). PRENTICE -HALL INTERNATIONAL; INC.
Chicago Style aipamenaARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1991.
MLA aipamenaARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. PRENTICE -HALL INTERNATIONAL; INC, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.