APA (7th ed.) Zitazioa
Venkatramaiah,C. (1996). A textbook of surveying. University press.
Chicago Style (17th ed.) Zitazioa
Venkatramaiah,C. A Textbook of Surveying. Hydrabad: University press, 1996.
MLA (9th ed.) Zitazioa
Venkatramaiah,C. A Textbook of Surveying. University press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.