Lua APA (7ú heag.)
Punmia, B., Jain, A. K., & Jain, A. K. (1990). Surveying: Field astronomy, photogrammetric surveying, electromagnetic distance measurement (EDM) (9th enl. rev. ed.). Laxmi.
Lua i Stíl Chicago (17ú heag.)
Punmia, B.C, Ashok Kumar Jain, agus Arun Kumar Jain. Surveying: Field Astronomy, Photogrammetric Surveying, Electromagnetic Distance Measurement (EDM). 9th enl. rev. ed. New Delhi: Laxmi, 1990.
Lua MLA (9ú heag.)
Punmia, B.C, et al. Surveying: Field Astronomy, Photogrammetric Surveying, Electromagnetic Distance Measurement (EDM). 9th enl. rev. ed. Laxmi, 1990.
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