Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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