Bank al-Markazī al-Yamanī. Research Dept. Foreign trade statistics of Yemen Arab Republic. Central Bank of Yemen. Research Dept.
Citação do estilo Chicago (17ª ed.)Bank al-Markazī al-Yamanī. Research Dept. Foreign Trade Statistics of Yemen Arab Republic. Sana'a: Central Bank of Yemen. Research Dept.
Citação MLA (8ª ed.)Bank al-Markazī al-Yamanī. Research Dept. Foreign Trade Statistics of Yemen Arab Republic. Central Bank of Yemen. Research Dept.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.