U.S. Agency for International Development. (1990). List of rgistered PVO's with USAID. June 1.
Citação norma ChicagoU.S. Agency for International Development. List of Rgistered PVO's with USAID. Manila: June 1, 1990.
Citação norma MLAU.S. Agency for International Development. List of Rgistered PVO's with USAID. June 1, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.