Dyfyniad APA

Villalobos Céspedes, D., Emilio Galdeano-Gómez, E., & Tolón- Becerra, A. (2012). International demand for nature-based tourism in Costa Rica: Socio-demographic and travel indicators.

Dyfyniad Arddull Chicago

Villalobos Céspedes, Daniel, Emilio Emilio Galdeano-Gómez, y Alfredo Tolón- Becerra. International Demand for Nature-based Tourism in Costa Rica: Socio-demographic and Travel Indicators. 2012.

Dyfyniad MLA

Villalobos Céspedes, Daniel, Emilio Emilio Galdeano-Gómez, y Alfredo Tolón- Becerra. International Demand for Nature-based Tourism in Costa Rica: Socio-demographic and Travel Indicators. 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.