Som, P., & Ghosh, B. N. (1982). Advanced surveying. Tata McGraw-Hill.
Chicago Style aipamenaSom, P., and B N. Ghosh. Advanced Surveying. New Delhi: Tata McGraw-Hill, 1982.
MLA aipamenaSom, P., and B N. Ghosh. Advanced Surveying. Tata McGraw-Hill, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.