Dyfyniad APA

Berrigan, D., & Lewis, T. (1983). The nightmare of God. Sunburst Press.

Dyfyniad Arddull Chicago

Berrigan, Daniel, and Tom Lewis. The Nightmare of God. Portland, Oregon: Sunburst Press, 1983.

Dyfyniad MLA

Berrigan, Daniel, and Tom Lewis. The Nightmare of God. Sunburst Press, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.