(2001). Facts about the world's languages: An encyclopedia of the world's major languages, past and present. Wilson.
Chicago-Zitierstil (17. Ausg.)Facts About the World's Languages: An Encyclopedia of the World's Major Languages, Past and Present. New York [u.a.]: Wilson, 2001.
MLA-Zitierstil (9. Ausg.)Facts About the World's Languages: An Encyclopedia of the World's Major Languages, Past and Present. Wilson, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.