Vernon, R. C. (1997). Professional surveyor's manual. McGraw-Hill.
Citación estilo ChicagoVernon, Robert C. Professional Surveyor's Manual. New York: McGraw-Hill, 1997.
Cita MLAVernon, Robert C. Professional Surveyor's Manual. McGraw-Hill, 1997.
Warning: These citations may not always be 100% accurate.