Dyfyniad APA

Edited by Swallow, R. A. (1989). Clark's positioning in radigraphy (11th ed.). CBS.

Dyfyniad Arddull Chicago

Edited by Swallow, R. A. Clark's Positioning in Radigraphy. 11th ed. Delhi: CBS, 1989.

Dyfyniad MLA

Edited by Swallow, R. A. Clark's Positioning in Radigraphy. 11th ed. CBS, 1989.

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