Dyfyniad APA

Johnson, A. (2004). Plane and geodetic surveying: The management of control networks. London: Spon Press.

Dyfyniad Arddull Chicago

Johnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. London: Spon Press, 2004.

Dyfyniad MLA

Johnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. London: Spon Press, 2004.

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