APA aipamena

Drucker, P. F. (1992). Managing for the future. London: Butterworth-Heinemann.

Chicago Style aipamena

Drucker, Peter Ferdinand. Managing for the Future. London: Butterworth-Heinemann, 1992.

MLA aipamena

Drucker, Peter Ferdinand. Managing for the Future. London: Butterworth-Heinemann, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.