Dyfyniad APA

ANDERSON B ROBERT. (1981). PROFESSIONAL SELLING (2.). PRENTICE -HALL INTERNATIONAL, INC.

Dyfyniad Arddull Chicago

ANDERSON B ROBERT. PROFESSIONAL SELLING. 2. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1981.

Dyfyniad MLA

ANDERSON B ROBERT. PROFESSIONAL SELLING. 2. PRENTICE -HALL INTERNATIONAL, INC, 1981.

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