(1992). Marketing / Eric N. Berkowitz Et Al. Irwin.
Chicago Style (17th ed.) CitationMarketing / Eric N. Berkowitz Et Al. Irwin, 1992.
MLA (8th ed.) CitationMarketing / Eric N. Berkowitz Et Al. Irwin, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.