APA-viite

Sabido, E. W. (2001). Birds, dung beetles and trees in a fragmented landscape of Cañas, Guanacaste: Relationships between tree cover and biodiversity.

Chicago-tyylinen lähdeviittaus

Sabido, Eugenio W. Birds, Dung Beetles and Trees in a Fragmented Landscape of Cañas, Guanacaste: Relationships between Tree Cover and Biodiversity. 2001.

MLA-viite

Sabido, Eugenio W. Birds, Dung Beetles and Trees in a Fragmented Landscape of Cañas, Guanacaste: Relationships between Tree Cover and Biodiversity. 2001.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.