Cooper, M. A. R. (1987). Control surveys in civil engineering. Collins.
Cita Chicago Style (17a ed.)Cooper, Michael Alan Ralph. Control Surveys in Civil Engineering. London: Collins, 1987.
Cita MLA (9a ed.)Cooper, Michael Alan Ralph. Control Surveys in Civil Engineering. Collins, 1987.
Precaución: Estas citas no son 100% exactas.