Cambodia Travel Guide:Information Resources and References.
- http://wikitravel.org/en/Cambodia
- https://www.cia.gov/library/publications/the-world-factbook/geos/cb.html
- http://www.lonelyplanet.com/cambodia
- http://orchestratravelcambodia.com/sitenavigation/learnkhmer.html
- http://www.angkortours.org/about_cambodia/learn_khmer.php
- http://wikitravel.org/en/Khmer_phrasebook