Dyfyniad APA

Drucker P. (2010). The Changing World of the Executive. Harvard Bus.Sch Pub.

Dyfyniad Arddull Chicago

Drucker P. The Changing World of the Executive. Boston: Harvard Bus.Sch Pub, 2010.

Dyfyniad MLA

Drucker P. The Changing World of the Executive. Harvard Bus.Sch Pub, 2010.

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