Crews, F. C. (1992). The Random House handbook (6th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Crews, Frederick C. The Random House Handbook. 6th ed. New York: McGraw-Hill, 1992.
Cita MLA (8th ed.)Crews, Frederick C. The Random House Handbook. 6th ed. McGraw-Hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.