KNAACK, U. (2012). Prefabricated systems: Principals of construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer.
Lua i Stíl Chicago (17ú heag.)KNAACK, Ulrich. Prefabricated Systems: Principals of Construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer, 2012.
Lua MLA (9ú heag.)KNAACK, Ulrich. Prefabricated Systems: Principals of Construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.