Roofs, P. (2003). Roof construction mannual. Boston: Publishers for Architecture.
Čikaški stil citiranjaRoofs, Pitched. Roof Construction Mannual. Boston: Publishers for Architecture, 2003.
MLA način citiranjaRoofs, Pitched. Roof Construction Mannual. Boston: Publishers for Architecture, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.