Antonio Salas, Roberto Ibáñez, Alessandro Catenazzi, Juan Carlos Chaparro-Auza, Ariadne Angulo, Steffen Reichle, Jörn Köhler, Ignacio De la Riva, Stefan Lötters, Claudia Cortez, Wilfredo Arizabal 2004. Atelopus tricolor. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. Downloaded on 31 October 2012.
apiv3.iucnredlist.org
Antonio Salas, Roberto Ibáñez, Alessandro Catenazzi, Juan Carlos Chaparro-Auza, Ariadne Angulo, Steffen Reichle, Jörn Köhler, Ignacio De la Riva, Stefan Lötters, Claudia Cortez, Wilfredo Arizabal 2004. Atelopus tricolor. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. Downloaded on 31 October 2012.