Dyfyniad APA

Einstein, A. (1956). The meaning of relativity (Ed.6.). Chapman and Hall.

Dyfyniad Arddull Chicago

Einstein, Albert. The Meaning of Relativity. Ed.6. London: Chapman and Hall, 1956.

Dyfyniad MLA

Einstein, Albert. The Meaning of Relativity. Ed.6. Chapman and Hall, 1956.

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