Burton, L. W., & McDonald, D. L. (2002). The language of argument (10th ed.). Longman.
Cita Chicago (17th ed.)Burton, Larry W., i Daniel Lamont McDonald. The Language of Argument. 10th ed. New York: Longman, 2002.
Cita MLA (9th ed.)Burton, Larry W., i Daniel Lamont McDonald. The Language of Argument. 10th ed. Longman, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.