Παραπομπή APA

Som, P., & Ghosh, B. N. (1982). Advanced surveying. Tata McGraw-Hill.

Παραπομπή Chicago Style

Som, P., και B N. Ghosh. Advanced Surveying. New Delhi: Tata McGraw-Hill, 1982.

Παραπομπή MLA

Som, P., και B N. Ghosh. Advanced Surveying. Tata McGraw-Hill, 1982.