| Citation | Anonymous, 2005. US CIA Factbook. World Wide Web Electronic Publication, https://www.cia.gov/library/publications/the-world-factbook/geos/et.html. |
| DOI | http://dx.doi.org/ |
| Paper URL | https://www.cia.gov/library/publications/the-world-factbook/geos/et.html |
| Address | |
| Ref. No. | 53414 |
| Language | English |
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| Find this reference in | Google Scholar | Scirus | Species used from this reference |