HOLTJE HERBERT. (1981). THEORY AND PROBLEMS OF MARKETING. MCGRAW-HILL.
Cita Chicago (17th ed.)HOLTJE HERBERT. THEORY AND PROBLEMS OF MARKETING. MCGRAWHILL N.Y: MCGRAW-HILL, 1981.
Cita MLA (9th ed.)HOLTJE HERBERT. THEORY AND PROBLEMS OF MARKETING. MCGRAW-HILL, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.