Johnson, A. (2004). Plane and geodetic surveying: The management of control networks. Spon Press.
Cita Chicago (17th ed.)Johnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. London: Spon Press, 2004.
Cita MLA (9th ed.)Johnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. Spon Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.