(1990). El Salvador: Health care under siege. Physicians for Human Rights.
Cita Chicago Style (17a ed.)El Salvador: Health Care Under Siege. Somerville (MA): Physicians for Human Rights, 1990.
Cita MLA (9a ed.)El Salvador: Health Care Under Siege. Physicians for Human Rights, 1990.
Precaución: Estas citas no son 100% exactas.