1. Branzburg v. Hayes 408 U.S. 665 (1972).
2. “Not to disclose information sources”: Journalistic privilege under Article 19 of OCCPR;Carter E. L.;Communication Law and Policy,2017
3. Cohen v. Cowles Media 501 U.S. 663 (1991).
4. An international assessment of journalist privileges and source confidentiality;Goldstein N.;New England Journal of International and Comparative Law,2007
5. Goodwin v. United Kingdom 22 Eur. Ct. H.R. 123 (1996).