Ogaja, C. A. (2011). Applied GPS for engineers and project managers. American Society of Civil Engineers. https://doi.org/10.1061/9780784411506
Lua i Stíl Chicago (17ú heag.)Ogaja, Clement A. Applied GPS for Engineers and Project Managers. Reston, Virginia: American Society of Civil Engineers, 2011. https://doi.org/10.1061/9780784411506.
Lua MLA (9ú heag.)Ogaja, Clement A. Applied GPS for Engineers and Project Managers. American Society of Civil Engineers, 2011. https://doi.org/10.1061/9780784411506.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.