APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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