Dyfyniad APA

(1964). Vol. 135, № 5B; Physical Review. Second Series. 1964.

Dyfyniad Arddull Chicago

Vol. 135, № 5B; Physical Review. Second Series. 1964, 1964.

Dyfyniad MLA

Vol. 135, № 5B; Physical Review. Second Series. 1964, 1964.

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