Lapedes, D. N. (1978). McGraw-Hill dictionary of physics and mathematics. McGraw-Hill.
Dyfyniad Arddull ChicagoLapedes, Daniel N. McGraw-Hill Dictionary of Physics and Mathematics. New York: McGraw-Hill, 1978.
Dyfyniad MLALapedes, Daniel N. McGraw-Hill Dictionary of Physics and Mathematics. McGraw-Hill, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.