Syms, P. M. (2010). Land, development and design (2nd ed.). Wiley-Blackwell Pub.
Lua i Stíl Chicago (17ú heag.)Syms, Paul M. Land, Development and Design. 2nd ed. Hoboken, N.J., Chichester, West Sussex: Wiley-Blackwell Pub, 2010.
Lua MLA (9ú heag.)Syms, Paul M. Land, Development and Design. 2nd ed. Wiley-Blackwell Pub, 2010.
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