Lister, R. H., Ambler, J. R., Lister, F. C., Dibble, C. E., & Stout, C. C. (1960). The Coombs site. University of Utah Press.
Dyfyniad Arddull ChicagoLister, Robert H., J. Richard Ambler, Florence C. Lister, Charles E. Dibble, and Carol C. Stout. The Coombs Site. Salt Lake City: University of Utah Press, 1960.
Dyfyniad MLALister, Robert H., et al. The Coombs Site. University of Utah Press, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.