APA-viite (7. p.)
Ogaja, C. A. (2011). Applied GPS for engineers and project managers. American Society of Civil Engineers.
Chicago-viite (17. p.)
Ogaja, Clement A. Applied GPS for Engineers and Project Managers. Reston, Va.: American Society of Civil Engineers, 2011.
MLA-viite (9. p.)
Ogaja, Clement A. Applied GPS for Engineers and Project Managers. American Society of Civil Engineers, 2011.
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