Pierce, J. L. L. (2000). Leaders and the leadership process:: Readings self-assessments, applications. McGraw-Hill.
Dyfyniad Arddull ChicagoPierce, Jon L.(Jon Lepley). Leaders and the Leadership Process:: Readings Self-assessments, Applications. Boston: McGraw-Hill, 2000.
Dyfyniad MLAPierce, Jon L.(Jon Lepley). Leaders and the Leadership Process:: Readings Self-assessments, Applications. McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.