Dyfyniad APA

Russell, B. (1996). An essay on the foundations of geometry. Routledge.

Dyfyniad Arddull Chicago

Russell, Bertrand. An Essay on the Foundations of Geometry. London: Routledge, 1996.

Dyfyniad MLA

Russell, Bertrand. An Essay on the Foundations of Geometry. Routledge, 1996.

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