Dyfyniad APA

Drucker, P. F. Preparing Tomorrow Business Leader Today Peter F. Drucker. Prentice-Hall.

Dyfyniad Arddull Chicago

Drucker, Peter F. Preparing Tomorrow Business Leader Today Peter F. Drucker. Prentice-Hall.

Dyfyniad MLA

Drucker, Peter F. Preparing Tomorrow Business Leader Today Peter F. Drucker. Prentice-Hall.

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