John, M. (1995). Managing in the next millennium. Oxford: Butterworth - Heinemann.
Chicago Style aipamenaJohn, Mike. Managing in the Next Millennium. Oxford: Butterworth - Heinemann, 1995.
MLA aipamenaJohn, Mike. Managing in the Next Millennium. Oxford: Butterworth - Heinemann, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.