Categorías de áreas protegidas de la UICN (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Categorías de áreas protegidas de la UICN" in Spanish language version.

refsWebsite

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3protectedplanet.net

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2books.google.com

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books.google.com

Francoise Burhenne-Guilmin (2011). Guidelines for Protected Areas Legislation. IUCN. p. 147. ISBN 9782831712451.
Mike J. Jeffries (2006). Biodiversity and conservation (2nd edición). Psychology Press. p. 191. ISBN 9780415342995.

iucn.org

protectedplanet.net