(2006). Marketing. New York: McGraw-Hill/Irwin.
Chicago Style aipamenaMarketing. New York: McGraw-Hill/Irwin, 2006.
MLA aipamenaMarketing. New York: McGraw-Hill/Irwin, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(2006). Marketing. New York: McGraw-Hill/Irwin.
Chicago Style aipamenaMarketing. New York: McGraw-Hill/Irwin, 2006.
MLA aipamenaMarketing. New York: McGraw-Hill/Irwin, 2006.