Cita APA

Simpson, B. J., & Purdy, M. 1. (1984). Housing on sloping sites: A design guide. London, Sydney: Construction Press.

Citación estilo Chicago

Simpson, Barry J., y M.T. 1939- Purdy. Housing On Sloping Sites: A Design Guide. London, Sydney: Construction Press, 1984.

Cita MLA

Simpson, Barry J., y M.T. 1939- Purdy. Housing On Sloping Sites: A Design Guide. London, Sydney: Construction Press, 1984.