Dyfyniad APA

ANDERSON ROLPH E. (1988). PROFESSIONAL SALES MANAGEMENT`. MCGRAW-HILL.

Dyfyniad Arddull Chicago

ANDERSON ROLPH E. PROFESSIONAL SALES MANAGEMENT`. NEW YORK: MCGRAW-HILL, 1988.

Dyfyniad MLA

ANDERSON ROLPH E. PROFESSIONAL SALES MANAGEMENT`. MCGRAW-HILL, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.