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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)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.