Dyfyniad APA
Warren, R. (2002). The purpose-driven life: What on earth am I here for? Oasis International LTD.
Dyfyniad Arddull Chicago
Warren, Richard. The Purpose-driven Life: What on Earth Am I Here for? Geneva: Oasis International LTD, 2002.
Dyfyniad MLA
Warren, Richard. The Purpose-driven Life: What on Earth Am I Here for? Oasis International LTD, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.