(1991). A Survey of the Philippine domestic satellite industry and related policy issues and options. United States Agency for International Development.
Cita Chicago (17th ed.)A Survey of the Philippine Domestic Satellite Industry and Related Policy Issues and Options. Manilan: United States Agency for International Development, 1991.
Cita MLA (9th ed.)A Survey of the Philippine Domestic Satellite Industry and Related Policy Issues and Options. United States Agency for International Development, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.