Lua APA (7ú heag.)
Roy,S.K. (1999). Fundamentals of surveying. New Delhi.
Lua i Stíl Chicago (17ú heag.)
Roy,S.K. Fundamentals of Surveying. New York: New Delhi, 1999.
Lua MLA (9ú heag.)
Roy,S.K. Fundamentals of Surveying. New Delhi, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.