Som, P., & Ghosh, B. N. (1982). Advanced surveying. Tata McGraw-Hill.
Cita Chicago (17th ed.)Som, P., i B N. Ghosh. Advanced Surveying. New Delhi: Tata McGraw-Hill, 1982.
Cita MLA (8th ed.)Som, P., i B N. Ghosh. Advanced Surveying. Tata McGraw-Hill, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.