Böcker, F., & Thomas, L. (1981). Marketing. Fischer.
Chicago Style (17th ed.) CitationBöcker, Franz, and Lutz Thomas. Marketing. Stuttgart [u.a.]: Fischer, 1981.
MLA (9th ed.) CitationBöcker, Franz, and Lutz Thomas. Marketing. Fischer, 1981.
Warning: These citations may not always be 100% accurate.