Sameer A Kulkarni. (2009). Negotiations Selling. Excel Books.
Chicago Style aipamenaSameer A Kulkarni. Negotiations Selling. New Delhi: Excel Books, 2009.
MLA aipamenaSameer A Kulkarni. Negotiations Selling. Excel Books, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.