Dyfyniad APA

Sperry, L. (2004). Effective Leadership: Strategies for Maximizing Executive Productivity and Health. Brunner-Routledge.

Dyfyniad Arddull Chicago

Sperry, Len. Effective Leadership: Strategies for Maximizing Executive Productivity and Health. New York: Brunner-Routledge, 2004.

Dyfyniad MLA

Sperry, Len. Effective Leadership: Strategies for Maximizing Executive Productivity and Health. Brunner-Routledge, 2004.

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