Holroyd, M. (1974). Unreceived opinions. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Holroyd, Michael. Unreceived Opinions. New York: Holt, Rinehart and Winston, 1974.
Cita MLA (8th ed.)Holroyd, Michael. Unreceived Opinions. Holt, Rinehart and Winston, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.