Dyfyniad APA

Manning, G., & Curtis, K. (1988). Leadership: Nine keys to success. Vista Systems.

Dyfyniad Arddull Chicago

Manning, George, and Kent Curtis. Leadership: Nine Keys to Success. Cincinnati: Vista Systems, 1988.

Dyfyniad MLA

Manning, George, and Kent Curtis. Leadership: Nine Keys to Success. Vista Systems, 1988.

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