Brotruck, T. (2007). Basics roof construction. Birkhauser.
Cita Chicago Style (17a ed.)Brotruck, Tanja. Basics Roof Construction. Birkhauser, 2007.
Cita MLA (8a ed.)Brotruck, Tanja. Basics Roof Construction. Birkhauser, 2007.
Precaución: Estas citas no son 100% exactas.