Rao, S. (2005). Negotiation made simple: Everyone must win! Excel Books.
Chicago Style aipamenaRao, S. Negotiation Made Simple: Everyone Must Win! New Delhi: Excel Books, 2005.
MLA aipamenaRao, S. Negotiation Made Simple: Everyone Must Win! Excel Books, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.