Dyfyniad APA

HOLTJE HERBERT. (1981). THEORY AND PROBLEMS OF MARKETING. MCGRAW-HILL.

Dyfyniad Arddull Chicago

HOLTJE HERBERT. THEORY AND PROBLEMS OF MARKETING. MCGRAWHILL N.Y: MCGRAW-HILL, 1981.

Dyfyniad MLA

HOLTJE HERBERT. THEORY AND PROBLEMS OF MARKETING. MCGRAW-HILL, 1981.

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