Glencoe Publishing Co. (1993). Writer's choice: Grammar and composition. Glencoe.
Cita Chicago (17th ed.)Glencoe Publishing Co. Writer's Choice: Grammar and Composition. New York N.Y.: Glencoe, 1993.
Cita MLA (8th ed.)Glencoe Publishing Co. Writer's Choice: Grammar and Composition. Glencoe, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.