Warren. Rick. (2002). The Purpose Driven Life: What on earth am i here for. Zondervan.
Cita Chicago Style (17a ed.)Warren. Rick. The Purpose Driven Life: What on Earth Am I Here for. Grand Rapids: Zondervan, 2002.
Cita MLA (9a ed.)Warren. Rick. The Purpose Driven Life: What on Earth Am I Here for. Zondervan, 2002.
Precaución: Estas citas no son 100% exactas.