Ghilani, C. D., & Wolf, P. R. (2012). Elementary surveying: An introduction to Geomatics (13a. ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Ghilani, Charles D., agus Paul R. Wolf. Elementary Surveying: An Introduction to Geomatics. 13a. ed. Boston: Prentice Hall, 2012.
Lua MLA (9ú heag.)Ghilani, Charles D., agus Paul R. Wolf. Elementary Surveying: An Introduction to Geomatics. 13a. ed. Prentice Hall, 2012.
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