Não informado. Handbook of International Trade Development Statistics. United Nations Conference on Trade and Development.
Čikaški stil citiranja (17. izdanje)Não informado. Handbook of International Trade Development Statistics. Geneva, Suíça: United Nations Conference on Trade and Development.
MLA način citiranja (8. izdanje)Não informado. Handbook of International Trade Development Statistics. United Nations Conference on Trade and Development.
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