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Lua i Stíl Chicago (17ú heag.)Sanitary & Heating Engineering. New York: [Edwin A. Scott Pub. Co., 1921.
Lua MLA (8ú heag.)Sanitary & Heating Engineering. [Edwin A. Scott Pub. Co., 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.