F Drucker. (2003). Managing in the Next Society. Butterworth-Heinemann.
Chicago Style aipamenaF Drucker. Managing in the Next Society. Butterworth-Heinemann, 2003.
MLA aipamenaF Drucker. Managing in the Next Society. Butterworth-Heinemann, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.