Swan, W., & Brown, P. (2013). Retrofitting the built environment. Wiley-Blackwell.
Cita Chicago (17th ed.)Swan, William, i Philip Brown. Retrofitting the Built Environment. Chichester, West Sussex: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)Swan, William, i Philip Brown. Retrofitting the Built Environment. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.