Dyfyniad APA

Russell, B. (1956). Human knowledge: Its scope and limits. George Allen and Unwin Ltd.

Dyfyniad Arddull Chicago

Russell, Bertrand. Human Knowledge: Its Scope and Limits. London: George Allen and Unwin Ltd, 1956.

Dyfyniad MLA

Russell, Bertrand. Human Knowledge: Its Scope and Limits. George Allen and Unwin Ltd, 1956.

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