APA aipamena

Drucker, P. (2005). Managing for results and managing for future. Butterworth.

Chicago Style aipamena

Drucker, Peter.F. Managing for Results and Managing for Future. Butterworth, 2005.

MLA aipamena

Drucker, Peter.F. Managing for Results and Managing for Future. Butterworth, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.