Budd, R. W., & Ruben, B. D. j. a. (1979). Beyond media: New approaches to mass communication / Richard W. Budd and Brent D. Ruben. hayden Book Co.
Lua i Stíl Chicago (17ú heag.)Budd, Richard W., agus Brent D. joint auth Ruben. Beyond Media: New Approaches to Mass Communication / Richard W. Budd and Brent D. Ruben. Rochelle Park, N.J: hayden Book Co, 1979.
Lua MLA (9ú heag.)Budd, Richard W., agus Brent D. joint auth Ruben. Beyond Media: New Approaches to Mass Communication / Richard W. Budd and Brent D. Ruben. hayden Book Co, 1979.
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