(1966). McGraw-Hill encyclopedia of science technology. Vol.8. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoMcGraw-Hill Encyclopedia of Science Technology. Vol.8. New York: McGraw-Hill, 1966.
Dyfyniad MLAMcGraw-Hill Encyclopedia of Science Technology. Vol.8. New York: McGraw-Hill, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.