United States Agency for International Development. (1992). Barriers to entry study: Final report. SGV Consulting.
Cita Chicago (17th ed.)United States Agency for International Development. Barriers to Entry Study: Final Report. Manila: SGV Consulting, 1992.
Cita MLA (9th ed.)United States Agency for International Development. Barriers to Entry Study: Final Report. SGV Consulting, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.