APA (7e ed.) Bronvermelding
Gehrke, P. J. (2009). The ethics and politics of speech: Communication and rhetoric in the twentieth century. Southern Illinois University Press.
Chicago (17e ed.) Bronvermelding
Gehrke, Pat J. The Ethics and Politics of Speech: Communication and Rhetoric in the Twentieth Century. Carbondale: Southern Illinois University Press, 2009.
MLA (9e ed.) Bronvermelding
Gehrke, Pat J. The Ethics and Politics of Speech: Communication and Rhetoric in the Twentieth Century. Southern Illinois University Press, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.