World Bank & Camino Velozo, R. d. (2000). Costa Rica: Forest policy and land use. World Bank.
Cita Chicago (17th ed.)World Bank i Ronnie de Camino Velozo. Costa Rica: Forest Policy and Land Use. Washington, D.C.: World Bank, 2000.
Cita MLA (9th ed.)World Bank i Ronnie de Camino Velozo. Costa Rica: Forest Policy and Land Use. World Bank, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.