^United States. Congress. Senate. Committee on Government Operations. Permanent Subcommittee on Investigations. (1953). "State Department Information Program -- Voice of America". www.hathitrust.org. Washington : U.S. G.P.O. مؤرشف من الأصل في 2020-01-26. اطلع عليه بتاريخ 2016-01-20.
