Hurd, M. (2006). The Value Factor. Viva books Pvt. Ltd.
Chicago Style aipamenaHurd, Mark. The Value Factor. New Delhi: Viva books Pvt. Ltd, 2006.
MLA aipamenaHurd, Mark. The Value Factor. Viva books Pvt. Ltd, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.