Kotter, J. P., & Warner, M. (2002). International encyclopedia of business and management (2nd ed.). London: Thomson Learning.
Chicago Style aipamenaKotter, John P., và Malcolm Warner. International Encyclopedia of Business and Management. 2nd ed. London: Thomson Learning, 2002.
MLA aipamenaKotter, John P., và Malcolm Warner. International Encyclopedia of Business and Management. 2nd ed. London: Thomson Learning, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.