Kavanagh, B. F., & Bird, S. J. G. (2000). Surveying: Principles and applications (5th ed.). Upper Saddle River, NJ.: Prentice Hall.
Παραπομπή Chicago StyleKavanagh, Barry F., and S. J. Glenn Bird. Surveying: Principles and Applications. 5th ed. Upper Saddle River, NJ.: Prentice Hall, 2000.
Παραπομπή MLAKavanagh, Barry F., and S. J. Glenn Bird. Surveying: Principles and Applications. 5th ed. Upper Saddle River, NJ.: Prentice Hall, 2000.
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