APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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