Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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