Kerin, R. A. (2011). Marketing. Boston: McGraw-Hill/Irwin.
Chicago Style aipamenaKerin, Roger A. Marketing. Boston: McGraw-Hill/Irwin, 2011.
MLA aipamenaKerin, Roger A. Marketing. Boston: McGraw-Hill/Irwin, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.