Dyfyniad APA

Einstein, A. (2012). Relativity: The special and general theory. Methuen & Co Ltd.

Dyfyniad Arddull Chicago

Einstein, Albert. Relativity: The Special and General Theory. Methuen & Co Ltd, 2012.

Dyfyniad MLA

Einstein, Albert. Relativity: The Special and General Theory. Methuen & Co Ltd, 2012.

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