Changes

! rowspan="2" |Wikipedia

! rowspan="2" |Wikipedia

! colspan="2" |Merriam-Webster

! colspan="2" |Merriam-Webster

! rowspan="2" |American Heritage<ref name="AmHer" />

! rowspan="2" |American Heritage<ref name=AmHer>''[http://ahdictionary.com/ American Heritage Dictionary of the English Language]''</ref>

! rowspan="2" |Oxford<ref name="Oxford" />

! rowspan="2" |Oxford<ref name=Oxford>[http://oxforddictionaries.com Oxford Dictionaries]</ref>

! rowspan="2" |Webster’s New World<ref name="WNW" />

! rowspan="2" |Webster’s New World<ref name=WNW>''[http://websters.yourdictionary.com/ Webster’s New World College Dictionary]''</ref>

! colspan= "2" |Encyclopedias

! colspan= "2" |Encyclopedias

! colspan="2"  |U.S. Board on Geographic Names<ref>[http://geonames.nga.mil/namesgaz/ U.S. Board on Geographic Names]</ref>

! colspan="2"  |U.S. Board on Geographic Names<ref>[http://geonames.nga.mil/namesgaz/ U.S. Board on Geographic Names]</ref>

! Collegiate<ref name="Collegiate" />

! Collegiate<ref name="Collegiate" />

! Geographical<ref>''[http://books.google.com.vn/books?hl=vi&id=Co_VIPIJerIC&q= Merriam-Webster Geographical Dictionary]'' (1997)</ref>

! Geographical<ref>''[http://books.google.com.vn/books?hl=vi&id=Co_VIPIJerIC&q= Merriam-Webster Geographical Dictionary]'' (1997)</ref>

! Britannica<ref name="Britannica" />

! Britannica<ref name=Britannica>''[http://www.britannica.com/ Encyclopædia Britannica]''</ref>

! Columbia<ref name="Columbia" />

! Columbia<ref name=Columbia>[http://education.yahoo.com/reference/encyclopedia/ Columbia Encyclopedia]</ref>

! Conventional

! Conventional

! Approved

! Approved