Dyfyniad APA

Dirac, P. A. M. (1975). General theory of relativity. Wiley Eastern.

Dyfyniad Arddull Chicago

Dirac, Paul Adrien Maurice. General Theory of Relativity. New York: Wiley Eastern, 1975.

Dyfyniad MLA

Dirac, Paul Adrien Maurice. General Theory of Relativity. Wiley Eastern, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.