APA-referens (7:e uppl.)

Sharp, H. O. (1943). Geodetic control surveys. 2d ed (2d ed.). J. Wiley & sons, inc.; Chapman & Hall, limited.

Chicago-referens (17:e uppl.)

Sharp, Howard Oakley. Geodetic Control Surveys. 2d Ed. 2d ed. New York, London: J. Wiley & sons, inc.; Chapman & Hall, limited, 1943.

MLA-referens (8:e uppl.)

Sharp, Howard Oakley. Geodetic Control Surveys. 2d Ed. 2d ed. J. Wiley & sons, inc.; Chapman & Hall, limited, 1943.