Kennedy, G., McMillan, J., & Benson, J. (1980). Managing negotiations. Business Books.
Chicago Style aipamenaKennedy, Gavin, John McMillan, and John Benson. Managing Negotiations. London: Business Books, 1980.
MLA aipamenaKennedy, Gavin, et al. Managing Negotiations. Business Books, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.