Pujol Mesalles, R. (1994). Sustainable urban development in Costa Rica and how gis help.
Cita Chicago Style (17a ed.)Pujol Mesalles, Rosendo. Sustainable Urban Development in Costa Rica and How Gis Help. [San José, Costa Rica], 1994.
Cita MLA (9a ed.)Pujol Mesalles, Rosendo. Sustainable Urban Development in Costa Rica and How Gis Help. 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.