Landau, L. (1965). What is the theory of relativity. Peace.
Dyfyniad Arddull ChicagoLandau, L. What Is the Theory of Relativity. Moscow: Peace, 1965.
Dyfyniad MLALandau, L. What Is the Theory of Relativity. Peace, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.