KNAACK, U. (2012). Prefabricated systems: Principals of construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer.
Cita Chicago (17th ed.)KNAACK, Ulrich. Prefabricated Systems: Principals of Construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer, 2012.
Cita MLA (9th ed.)KNAACK, Ulrich. Prefabricated Systems: Principals of Construction/ Ulrich Knaack, Sharon Chung-Klatte and Reinhard Hasselbach.- Basel. Springer, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.