United Nations Educational, Scientific and Cultural Organization (UNESCO). (1980). Proceedings of the workshop on the phenomenon known as "El Nino" Guayaquil, Ecuador 4-12 December 1974. United Nations Educational Scientific and Cultural Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Educational, Scientific and Cultural Organization (UNESCO). Proceedings of the Workshop on the Phenomenon Known as "El Nino" Guayaquil, Ecuador 4-12 December 1974. Paris, France: United Nations Educational Scientific and Cultural Organization, 1980.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Educational, Scientific and Cultural Organization (UNESCO). Proceedings of the Workshop on the Phenomenon Known as "El Nino" Guayaquil, Ecuador 4-12 December 1974. United Nations Educational Scientific and Cultural Organization, 1980.