Dyfyniad APA

Calder, N. (1964). Radio astronomy. English Language Book Society.

Dyfyniad Arddull Chicago

Calder, Nigel. Radio Astronomy. London: English Language Book Society, 1964.

Dyfyniad MLA

Calder, Nigel. Radio Astronomy. English Language Book Society, 1964.

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