Lua APA (7ú heag.)
Agor, R. A Text Book of Surveying and Levelling. Khanna Publications.
Lua i Stíl Chicago (17ú heag.)
Agor, R. A Text Book of Surveying and Levelling. New Delhi: Khanna Publications.
Lua MLA (9ú heag.)
Agor, R. A Text Book of Surveying and Levelling. Khanna Publications.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.