Não informado. (2021). Annual Report of the International Tin Research Institute. International Tin Research Institute.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Report of the International Tin Research Institute. London: International Tin Research Institute, 2021.
Citação MLA (8ª ed.)Não informado. Annual Report of the International Tin Research Institute. International Tin Research Institute, 2021.
警告：这些引文格式不一定是100％准确.