BRENNAN, R. (2017). Business-to-business marketing. Sage Publication.
Chicago Style aipamenaBRENNAN, Ross. Business-to-business Marketing. Sage Publication, 2017.
MLA aipamenaBRENNAN, Ross. Business-to-business Marketing. Sage Publication, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.