Caudill. Intelligently Designed. University of Illinois Press.
Dyfyniad Arddull ChicagoCaudill. Intelligently Designed. University of Illinois Press.
Dyfyniad MLACaudill. Intelligently Designed. University of Illinois Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.