Cita APA (7a ed.)

HYBELS, B. (2004). Courageous Leadership. Christian Literature Crusade.

Cita Chicago Style (17a ed.)

HYBELS, Bill. Courageous Leadership. Grand Rapids: Christian Literature Crusade, 2004.

Cita MLA (9a ed.)

HYBELS, Bill. Courageous Leadership. Christian Literature Crusade, 2004.