Hilliard, R. L. (1991). Writing for television and radio (5th ed.). Wadsworth.
Dyfyniad Arddull ChicagoHilliard, Robert L. Writing for Television and Radio. 5th ed. Belmont, California: Wadsworth, 1991.
Dyfyniad MLAHilliard, Robert L. Writing for Television and Radio. 5th ed. Wadsworth, 1991.
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