Dyfyniad APA

Goetsch, D. L. (2012). Effective Leadership (19th ed.). Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Goetsch, David L. Effective Leadership. 19th ed. New Delhi: Tata McGraw-Hill, 2012.

Dyfyniad MLA

Goetsch, David L. Effective Leadership. 19th ed. Tata McGraw-Hill, 2012.

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