Hootman, T. (2012). Net zero energy design: A guide for commercial architecture. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Hootman, Thomas. Net Zero Energy Design: A Guide for Commercial Architecture. Hoboken, N.J.: John Wiley & Sons, 2012.
Lua MLA (9ú heag.)Hootman, Thomas. Net Zero Energy Design: A Guide for Commercial Architecture. John Wiley & Sons, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.