World Bank & Camino Velozo, R. d. (2000). Costa Rica: Forest policy and land use. World Bank.
Lua i Stíl Chicago (17ú heag.)World Bank agus Ronnie de Camino Velozo. Costa Rica: Forest Policy and Land Use. Washington, D.C.: World Bank, 2000.
Lua MLA (9ú heag.)World Bank agus Ronnie de Camino Velozo. Costa Rica: Forest Policy and Land Use. World Bank, 2000.