Dyfyniad APA
Owen, J. (2011). Leadership rules: 50 timeless lessons for leaders. John Wiley.
Dyfyniad Arddull Chicago
Owen, Jo. Leadership Rules: 50 Timeless Lessons for Leaders. Chichester, West Sussex: John Wiley, 2011.
Dyfyniad MLA
Owen, Jo. Leadership Rules: 50 Timeless Lessons for Leaders. John Wiley, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.