Dyfyniad APA

ARMSTRONG GARY. (1993). MARKETING: AN INTRODUCTION ANNOTATED (3RD.). PRENTICE -HALL INTERNATIONAL; INC.

Dyfyniad Arddull Chicago

ARMSTRONG GARY. MARKETING: AN INTRODUCTION ANNOTATED. 3RD. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1993.

Dyfyniad MLA

ARMSTRONG GARY. MARKETING: AN INTRODUCTION ANNOTATED. 3RD. PRENTICE -HALL INTERNATIONAL; INC, 1993.

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