Prentice-Hall, Inc. (1992). Webster's new world encyclopedia (1st Prentice Hall ed.). Prentice Hall.
Cita Chicago (17th ed.)Prentice-Hall, Inc. Webster's New World Encyclopedia. 1st Prentice Hall ed. New York: Prentice Hall, 1992.
Cita MLA (9th ed.)Prentice-Hall, Inc. Webster's New World Encyclopedia. 1st Prentice Hall ed. Prentice Hall, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.