Lua APA (7ú heag.)
Punmia, B. C., & Jain, A. K. (1994). Surveying: A textbook on surveying and levelling (13th ed.). Laxmi Pub.
Lua i Stíl Chicago (17ú heag.)
Punmia, B. C., agus Ashok Kumar/Jain Jain. Surveying: A Textbook on Surveying and Levelling. 13th ed. New Delhi: Laxmi Pub, 1994.
Lua MLA (9ú heag.)
Punmia, B. C., agus Ashok Kumar/Jain Jain. Surveying: A Textbook on Surveying and Levelling. 13th ed. Laxmi Pub, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.