Gaya APA

Drucker, P, F, &, S, P, M. (2001). Viewer's workbook: A conversation with Peter F. Drucker and Peter M. Senge, leading in a time of change, what it will take to lead tomorrow. Introd. by Frances Hesselbein. . New York: New York Drucker Foundation.

Gaya MLA

Drucker, Peter, F., &, Senge,, Peter, M.. "Viewer's workbook: A conversation with Peter F. Drucker and Peter M. Senge, leading in a time of change, what it will take to lead tomorrow. Introd. by Frances Hesselbein. ". New York: New York Drucker Foundation, 2001. Buku.