Francis, G. (1988). Modern Marketing Management. Sultan Chand.
Chicago Style aipamenaFrancis, Geofferry.K. Modern Marketing Management. New Delhi: Sultan Chand, 1988.
MLA aipamenaFrancis, Geofferry.K. Modern Marketing Management. Sultan Chand, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.