Syms, P. M. (2010). Land, development and design (2nd ed.). Wiley-Blackwell Pub.
Dyfyniad Arddull ChicagoSyms, Paul M. Land, Development and Design. 2nd ed. Hoboken, N.J., Chichester, West Sussex: Wiley-Blackwell Pub, 2010.
Dyfyniad MLASyms, Paul M. Land, Development and Design. 2nd ed. Wiley-Blackwell Pub, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.