Punmia B.C & Other. (2017). Surveying Higher Surveying - III (15th.). Laxmi Publication.
Chicago-referens (17:e uppl.)Punmia B.C & Other. Surveying Higher Surveying - III. 15th. New Delhi: Laxmi Publication, 2017.
MLA-referens (9:e uppl.)Punmia B.C & Other. Surveying Higher Surveying - III. 15th. Laxmi Publication, 2017.
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