Sutherland Jonathan. Key concept in marketing. palgrare Macmillam.
Chicago Style aipamenaSutherland Jonathan. Key Concept in Marketing. Newyork: palgrare Macmillam.
MLA aipamenaSutherland Jonathan. Key Concept in Marketing. palgrare Macmillam.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.