Delair Publishing Company, 1981
Buku Referensi
Victoria Neufeldt, David B. Guralnik, editor
Webster's New World, 1988
Buku Referensi
Lexicon Publications , 2004
Buku Referensi
Danbury : Lexicon Publications, Inc., 2004,
Buku Referensi
Danbury : Lexicon Publications, Inc., 2004,
Buku Referensi