APA (7. basım) Alıntı
Howard, W. (1979). Gore Vidal's Caligula: A novel based on Gore Vidal's original screenplay. Warner books.
Chicago Style (17. basım) Atıf
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. New York: Warner books, 1979.
MLA (9th ed.) Atıf
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. Warner books, 1979.
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