Dyfyniad APA

Drucker, P. F. (1971). The Age Of Discountinuty Guidlines To Our Changing Society Peter F. Drucker. Pan Books.

Dyfyniad Arddull Chicago

Drucker, Peter F. The Age Of Discountinuty Guidlines To Our Changing Society Peter F. Drucker. Pan Books, 1971.

Dyfyniad MLA

Drucker, Peter F. The Age Of Discountinuty Guidlines To Our Changing Society Peter F. Drucker. Pan Books, 1971.

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