Lua APA (7ú heag.)
Punmia, B., Jain, A. K., & Jain, A. K. (1994). Surveying (12th ed.). Laxmi.
Lua i Stíl Chicago (17ú heag.)
Punmia, B.C, Ashok Kumar Jain, agus Arun Kumar Jain. Surveying. 12th ed. New delhi: Laxmi, 1994.
Lua MLA (9ú heag.)
Punmia, B.C, et al. Surveying. 12th ed. Laxmi, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.