APA aipamena

United States Agency for International Development. (1992). Barriers to entry study: Final report. SGV Consulting.

Chicago Style aipamena

United States Agency for International Development. Barriers to Entry Study: Final Report. Manila: SGV Consulting, 1992.

MLA aipamena

United States Agency for International Development. Barriers to Entry Study: Final Report. SGV Consulting, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.