LEHMANN DONALD R. (2002). ANALYSIS FOR MARKETING PLANNING (5TH.). MCGRAW-HILL.
Chicago (17e ed.) BronvermeldingLEHMANN DONALD R. ANALYSIS FOR MARKETING PLANNING. 5TH. BOSTON: MCGRAW-HILL, 2002.
MLA (9e ed.) BronvermeldingLEHMANN DONALD R. ANALYSIS FOR MARKETING PLANNING. 5TH. MCGRAW-HILL, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.