Dyfyniad APA

Einstein, A. (1988). Relativity: The Special and the General theory. New York: Crown Publishing ,Inc.

Dyfyniad Arddull Chicago

Einstein, Albert. Relativity: The Special and the General Theory. New York: Crown Publishing ,Inc, 1988.

Dyfyniad MLA

Einstein, Albert. Relativity: The Special and the General Theory. New York: Crown Publishing ,Inc, 1988.

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