Lua APA (7ú heag.)
Agor, R. (2017). A textbook of surveying and levelling (12th ed.). Khanna Pub.
Lua i Stíl Chicago (17ú heag.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. New Delhi: Khanna Pub, 2017.
Lua MLA (9ú heag.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. Khanna Pub, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.