APA-viite

Vaughan, C. (2012). Creating wildlands in Costa Rica: Historical ecology of the creation of Corcovado National Park.

Chicago-tyylinen lähdeviittaus

Vaughan, Christopher. Creating Wildlands in Costa Rica: Historical Ecology of the Creation of Corcovado National Park. 2012.

MLA-viite

Vaughan, Christopher. Creating Wildlands in Costa Rica: Historical Ecology of the Creation of Corcovado National Park. 2012.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.