Schwartz, J. T. (1989). Relativity in illustrations (Dover ed.). Dover Publications.
Dyfyniad Arddull ChicagoSchwartz, Jacob T. Relativity in Illustrations. Dover ed. New York: Dover Publications, 1989.
Dyfyniad MLASchwartz, Jacob T. Relativity in Illustrations. Dover ed. Dover Publications, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.