Kerin, R. A. (2013). Marketing: The core. McGraw-Hill/Irwin.
Chicago Style aipamenaKerin, Roger A. Marketing: The Core. McGraw-Hill/Irwin, 2013.
MLA aipamenaKerin, Roger A. Marketing: The Core. McGraw-Hill/Irwin, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.