McCormac, J. C. (2004). Surveying (5th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)McCormac, Jack C. Surveying. 5th ed. Hoboken, N.J: Wiley, 2004.
Lua MLA (9ú heag.)McCormac, Jack C. Surveying. 5th ed. Wiley, 2004.
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