Van Leiden, G. (1995). The economic importance of tourism in Costa Rica. Wageningen, Netherland: Wageningen Agriculture University.
Citación estilo ChicagoVan Leiden, Gerald. The Economic Importance of Tourism in Costa Rica. Wageningen, Netherland: Wageningen Agriculture University, 1995.
Cita MLAVan Leiden, Gerald. The Economic Importance of Tourism in Costa Rica. Wageningen, Netherland: Wageningen Agriculture University, 1995.
Precaución: Estas citas no son 100% exactas.