Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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