Dyfyniad APA

Drucker, P. F. (1999). The frontiers of management: Where tomorrow’s decisions are being shaped. New York: Truman Talley Books/Plume.

Dyfyniad Arddull Chicago

Drucker, Peter F. The Frontiers of Management: Where Tomorrow’s Decisions Are Being Shaped. New York: Truman Talley Books/Plume, 1999.

Dyfyniad MLA

Drucker, Peter F. The Frontiers of Management: Where Tomorrow’s Decisions Are Being Shaped. New York: Truman Talley Books/Plume, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.