Dyfyniad APA

Blake, L. (1975). Civil Engineer's Reference Book. Newes- Butterworth.

Dyfyniad Arddull Chicago

Blake, L.S. Civil Engineer's Reference Book. London: Newes- Butterworth, 1975.

Dyfyniad MLA

Blake, L.S. Civil Engineer's Reference Book. Newes- Butterworth, 1975.

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