PUNMIA, B. (1976). Surveying Volume I B. C. Punmia. Standard Book House.
Lua i Stíl Chicago (17ú heag.)PUNMIA, B.C. Surveying Volume I B. C. Punmia. Standard Book House, 1976.
Lua MLA (8ú heag.)PUNMIA, B.C. Surveying Volume I B. C. Punmia. Standard Book House, 1976.
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