Cita APA (7th ed.)
Punmia, B. C., & Jain, A. K. (1990). Surveying (9th ed.). Laxmi Pub.
Cita Chicago (17th ed.)
Punmia, B. C., i Ashok Kumar/Jain Jain. Surveying. 9th ed. New Delhi: Laxmi Pub, 1990.
Cita MLA (9th ed.)
Punmia, B. C., i Ashok Kumar/Jain Jain. Surveying. 9th ed. Laxmi Pub, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.