Hegger, M. (2006). Construction materials manual. BirkhaÃàuser Edition Detail.
Lua i Stíl Chicago (17ú heag.)Hegger, Manfred. Construction Materials Manual. Basel, Munich: BirkhaÃàuser Edition Detail, 2006.
Lua MLA (9ú heag.)Hegger, Manfred. Construction Materials Manual. BirkhaÃàuser Edition Detail, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.