Webster's third new international dictionary : of the English language unabridged with seven language dictionary : volume I
Encyclopaedia Britannica, 1981
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Webster's third new international dictionary : of the English language unabridged with seven language dictionary : volume III
Encyclopaedia Britannica, 1981
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Webster's third new international dictionary of the English language unabridged
editor, Philip Babcock Gove
Merriam-Webster, 1993
 Buku Referensi
Webster's new international dictionary of the English language
William Allan Neilson, editor in chief; Thomas A. Knott, general editor; Paul W. Carhart, managing editor
Springfield, G & C Merriam Co.
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New webster's dictionary of the english language
Delair , 1981
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