Dyfyniad APA

JOHNSON EUGENE M. (1994). SALES MANAGEMENT: CONCEPTS, PRACTICES, AND CASES (2ND.). MCGRAW-HILL.

Dyfyniad Arddull Chicago

JOHNSON EUGENE M. SALES MANAGEMENT: CONCEPTS, PRACTICES, AND CASES. 2ND. NEW YORK: MCGRAW-HILL, 1994.

Dyfyniad MLA

JOHNSON EUGENE M. SALES MANAGEMENT: CONCEPTS, PRACTICES, AND CASES. 2ND. MCGRAW-HILL, 1994.

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