Lua APA (7ú heag.)

Schramm, W. (1957). Responsibility in mass communication. Harper and Row.

Lua i Stíl Chicago (17ú heag.)

Schramm, Wilbur. Responsibility in Mass Communication. New York [u.a.]: Harper and Row, 1957.

Lua MLA (8ú heag.)

Schramm, Wilbur. Responsibility in Mass Communication. Harper and Row, 1957.

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