Dyfyniad APA

Heard, A. (1999). Apocalypse pretty soon: Travels in end-time America. W.W. Norton.

Dyfyniad Arddull Chicago

Heard, Alex. Apocalypse Pretty Soon: Travels in End-time America. New York: W.W. Norton, 1999.

Dyfyniad MLA

Heard, Alex. Apocalypse Pretty Soon: Travels in End-time America. W.W. Norton, 1999.

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