ARMSTRONG GARY. (1991). PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI (5TH.). PRENTICE -HALL INTERNATIONAL; INC.
Čikaški stil citiranja (17. izdanje)ARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1991.
MLA način citiranja (9. izdanje)ARMSTRONG GARY. PRINCIPLES OF MARKETING: STUDY GUIDE BY THOMAS PACZKOWSKI. 5TH. PRENTICE -HALL INTERNATIONAL; INC, 1991.
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