Marius R. Richard. (1991). Webster`s college dictionary. New York, 1991.
Cita Chicago (17th ed.)Marius R. Richard. Webster`s College Dictionary. New York, 1991, 1991.
Cita MLA (9th ed.)Marius R. Richard. Webster`s College Dictionary. New York, 1991, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.