Tohutoro APA (7th ed.)
Heyman, S. J. (2008). Free speech and human dignity. Yale University Press.
Tohutoru Kātū Chicago (17th ed.)
Heyman, Steven J. Free Speech and Human Dignity. New Havem: Yale University Press, 2008.
Tohutoro MLA (9th ed.)
Heyman, Steven J. Free Speech and Human Dignity. Yale University Press, 2008.
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