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