Edmunds, G. F., Jensen, S. L., & Berner, L. (1976). The mayflies of North and Central America. University of Minnesota Press.
Dyfyniad Arddull ChicagoEdmunds, George F., Steven L. Jensen, and Lewis Berner. The Mayflies of North and Central America. Minneapolis: University of Minnesota Press, 1976.
Dyfyniad MLAEdmunds, George F., et al. The Mayflies of North and Central America. University of Minnesota Press, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.