Thumann, A. (1979). Handbook of energy audits. Fairmont Press.
Lua i Stíl Chicago (17ú heag.)Thumann, Albert. Handbook of Energy Audits. Atlanta, Ga: Fairmont Press, 1979.
Lua MLA (9ú heag.)Thumann, Albert. Handbook of Energy Audits. Fairmont Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.