Webster, N. (1957). Webster's new twentieth century dictionary of the english language: Unabridged (second edition.). The World Publishing Company.
Chicago-referens (17:e uppl.)Webster, Noah. Webster's New Twentieth Century Dictionary of the English Language: Unabridged. second edition. Cleveland. New York: The World Publishing Company, 1957.
MLA-referens (9:e uppl.)Webster, Noah. Webster's New Twentieth Century Dictionary of the English Language: Unabridged. second edition. The World Publishing Company, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.