(1989). Webster's unabridged dictionary of the English language. Portland House : Distributed by Crown Publishers.
Чикаго стиль цитування (17-те видання)Webster's Unabridged Dictionary of the English Language. New York: Portland House : Distributed by Crown Publishers, 1989.
Стиль цитування MLA (9-ме видання)Webster's Unabridged Dictionary of the English Language. Portland House : Distributed by Crown Publishers, 1989.