Singh, B. (2008). Managing conflict and negotiation. Exel.
Chicago Style aipamenaSingh, B.D. Managing Conflict and Negotiation. New Delhi: Exel, 2008.
MLA aipamenaSingh, B.D. Managing Conflict and Negotiation. Exel, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.