Schramm, W. (1960). Mass communication (2nd ed.). University of Illinois Press.
Cita Chicago Style (17a ed.)Schramm, Wilbur. Mass Communication. 2nd ed. Urbana: University of Illinois Press, 1960.
Cita MLA (9a ed.)Schramm, Wilbur. Mass Communication. 2nd ed. University of Illinois Press, 1960.
Precaución: Estas citas no son 100% exactas.