Rangwala, S. C., & Rangwala, P. S. (1991). Surveying and Levelling (3rd rev. ed.). Charotar Publishing House.
Chicago Style (17th ed.) ZitazioaRangwala, S. C., eta P. S. Rangwala. Surveying and Levelling. 3rd rev. ed. Anand: Charotar Publishing House, 1991.
MLA (9th ed.) ZitazioaRangwala, S. C., eta P. S. Rangwala. Surveying and Levelling. 3rd rev. ed. Charotar Publishing House, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.