| 引用出處 | 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/ |
| 文件網址 | https://www.cia.gov/library/publications/the-world-factbook/geos/et.html |
| 電子郵件 | |
| 住址 | |
| Ref. No. | 53414 |
| 語言 | English |
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| 尋找這個參考文獻在 | Google Scholar | Scirus | Species used from this reference |