The American heritage: dictionary of the English language
editor, William Morris
Houghton Miffiln, 1976
Buku Referensi
Merriam-Webster's desk dictionary
Merriam-Webster, 1995
Buku Referensi
Funk & Wagnalls Standard desk dictionary
Harper and Row, 1984
Buku Referensi
Funk & Wagnalls standard desk dictionary : volume 1
Funk & Wagnalls, 1980
Buku Referensi
Funk & Wagnalls standard desk dictionary : volume 2
Funk & Wagnalls, 1980
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