Dyfyniad APA

Coyle, A. F. (1997). Leadership: The ASTD trainer's sourcebook. McGraw-Hill.

Dyfyniad Arddull Chicago

Coyle, Anne F. Leadership: The ASTD Trainer's Sourcebook. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Coyle, Anne F. Leadership: The ASTD Trainer's Sourcebook. McGraw-Hill, 1997.

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