Gaya APA
Silcock, B, W. et al (2007).
Managing television news: a handbook for ethical and effective producing .
U.S.A:
Lawrence erlbaum associatin publishers.
Gaya MLA
Silcock, B., William. et al.
"Managing television news: a handbook for ethical and effective producing".
U.S.A:
Lawrence erlbaum associatin publishers,
2007.
Text.