Lua APA (7ú heag.)
Walker, J., & Awange, J. L. (2018). Surveying for Civil and Mine Engineers: Theory, Workshops and Practicals. Springer.
Lua i Stíl Chicago (17ú heag.)
Walker, John, agus Joseph L. Awange. Surveying for Civil and Mine Engineers: Theory, Workshops and Practicals. Switzerland: Springer, 2018.
Lua MLA (9ú heag.)
Walker, John, agus Joseph L. Awange. Surveying for Civil and Mine Engineers: Theory, Workshops and Practicals. Springer, 2018.
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