Whyte, W. S., & Paul, R. E. (1997). Basic surveying (4th ed.). Butterworth-Heinemann.
Lua i Stíl Chicago (17ú heag.)Whyte, W. S., agus R. E. Paul. Basic Surveying. 4th ed. Oxford: Butterworth-Heinemann, 1997.
Lua MLA (8ú heag.)Whyte, W. S., agus R. E. Paul. Basic Surveying. 4th ed. Butterworth-Heinemann, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.