Dyfyniad APA

Prichard, F. E., & Whiston, C. (1991). X Ray Methods.

Dyfyniad Arddull Chicago

Prichard, F Elizabeth, and Clive Whiston. X Ray Methods. Singapore, John Wily and Sons, 1991.

Dyfyniad MLA

Prichard, F Elizabeth, and Clive Whiston. X Ray Methods. 1991.

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