Clark, D., & Clendinning, J. (1946). Plane and geodetic surveying for engineers (4th ed.). Constable.
Dyfyniad Arddull ChicagoClark, David, and J. Clendinning. Plane and Geodetic Surveying for Engineers. 4th ed. London: Constable, 1946.
Dyfyniad MLAClark, David, and J. Clendinning. Plane and Geodetic Surveying for Engineers. 4th ed. Constable, 1946.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.