Cita APA (7th ed.)
Werthmann, C. (2007). Green roof: A case study. Princeton Architectural Press.
Cita Chicago (17th ed.)
Werthmann, Christian. Green Roof: A Case Study. New York: Princeton Architectural Press, 2007.
Cita MLA (9th ed.)
Werthmann, Christian. Green Roof: A Case Study. Princeton Architectural Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.