Não informado. (2021). Annual Report of the International Tin Research Institute. International Tin Research Institute.
Čikaški stil citiranja (17. izdanje)Não informado. Annual Report of the International Tin Research Institute. London: International Tin Research Institute, 2021.
MLA način citiranja (8. izdanje)Não informado. Annual Report of the International Tin Research Institute. International Tin Research Institute, 2021.
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