Wilson, R. J. P. (1977). Land surveying (2nd ed.). Plymouth.
Cita Chicago (17th ed.)Wilson, Ramsay J. P. Land Surveying. 2nd ed. Estover: Plymouth, 1977.
Cita MLA (9th ed.)Wilson, Ramsay J. P. Land Surveying. 2nd ed. Plymouth, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.