LEHMANN DONALD R. (1985). MARKET RESEARCH AND ANALYSIS (2ND.). IRWIN.
Chicago Style (17th ed.) CitationLEHMANN DONALD R. MARKET RESEARCH AND ANALYSIS. 2ND. HOMWOOD: IRWIN, 1985.
MLA (9th ed.) CitationLEHMANN DONALD R. MARKET RESEARCH AND ANALYSIS. 2ND. IRWIN, 1985.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.