Walker, J., & Awange, J. L. (2018). Surveying for Civil and Mine Engineers: Theory, Workshops, and Practicals (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-53129-8
Παραπομπή σε μορφή Chicago (17η εκδ.)Walker, John, και Joseph L. Awange. Surveying for Civil and Mine Engineers: Theory, Workshops, and Practicals. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-53129-8.
Παραπομπή σε μορφή MLA (8th εκδ.)Walker, John, και Joseph L. Awange. Surveying for Civil and Mine Engineers: Theory, Workshops, and Practicals. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-53129-8.
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