Miles, S., & Ostertog, B. El Salvador: The offensive in perspective.
Cita Chicago (17th ed.)Miles, Sara, i Bob Ostertog. El Salvador: The Offensive in Perspective.
Cita MLA (9th ed.)Miles, Sara, i Bob Ostertog. El Salvador: The Offensive in Perspective.
Atenció: Aquestes cites poden no estar 100% correctes.