Som, P., & Ghosh, B. . .. (1988). Advanced surveying. Tata Mc-Graw Hill Publishing Company.
Chicago Style aipamenaSom, P., and B.N Ghosh. Advanced Surveying. New Delhi: Tata Mc-Graw Hill Publishing Company, 1988.
MLA aipamenaSom, P., and B.N Ghosh. Advanced Surveying. Tata Mc-Graw Hill Publishing Company, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.