Dyfyniad APA
Fulghum, R. (1989). It was on fire when I lay down on it. Ivy Books.
Dyfyniad Arddull Chicago
Fulghum, Robert. It Was on Fire When I Lay Down on It. New York: Ivy Books, 1989.
Dyfyniad MLA
Fulghum, Robert. It Was on Fire When I Lay Down on It. Ivy Books, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.