Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. News of the Surveying and Mapping Division of ASCE. New York: American Society of Civil Engineers.
Lua MLA (8ú heag.)Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.