United Nations. Economic Commission for Asia and the Far East. (1970). Mining developments in Asia and the Far East 1968. United Nations.
Citação do estilo Chicago (17ª ed.)United Nations. Economic Commission for Asia and the Far East. Mining Developments in Asia and the Far East 1968. New York: United Nations, 1970.
Citação MLA (8ª ed.)United Nations. Economic Commission for Asia and the Far East. Mining Developments in Asia and the Far East 1968. United Nations, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.