APA (7th ed.) Zitazioa
Hardt, H., & Carey, J. W. Social Theories of the Press: Constituents of Communication Research, 1840s to 1920s (2a edición.). Rowman and Littlefield.
Chicago Style (17th ed.) Zitazioa
Hardt, Hanno, eta James W. Carey. Social Theories of the Press: Constituents of Communication Research, 1840s to 1920s. 2a edición. Lanham, EUA: Rowman and Littlefield.
MLA (9th ed.) Zitazioa
Hardt, Hanno, eta James W. Carey. Social Theories of the Press: Constituents of Communication Research, 1840s to 1920s. 2a edición. Rowman and Littlefield.
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