APA (7 वां संस्करण) प्रशस्ति पत्र

Warren, R. (2002). The purpose driven life: What on earth am I here for? Zondervan.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Warren, Rick. The Purpose Driven Life: What on Earth Am I Here for? Grand Rapids, Michigan: Zondervan, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Warren, Rick. The Purpose Driven Life: What on Earth Am I Here for? Zondervan, 2002.