Não informado. World list of future international meetings. Library of Congress, International Organizations Section.
Citação do estilo Chicago (17ª ed.)Não informado. World List of Future International Meetings. Washington: Library of Congress, International Organizations Section.
Citação MLA (8ª ed.)Não informado. World List of Future International Meetings. Library of Congress, International Organizations Section.
警告：这些引文格式不一定是100％准确.