Dyfyniad APA

Pierce, J. L., & Newstrom, J. W. (2011). Leaders and the leadership process (5th ed.). Tata Mc Graw Hill.

Dyfyniad Arddull Chicago

Pierce, Jon L., and John W. Newstrom. Leaders and the Leadership Process. 5th ed. New Delhi: Tata Mc Graw Hill, 2011.

Dyfyniad MLA

Pierce, Jon L., and John W. Newstrom. Leaders and the Leadership Process. 5th ed. Tata Mc Graw Hill, 2011.

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