United Nations. Economic Commission for Asia and the Far East. (1952). Coal and iron ore resources of Asia and the Far East; prepared by the Secretariat. s.n.
Citazione stile Chigago Style (17a edizione)United Nations. Economic Commission for Asia and the Far East. Coal and Iron Ore Resources of Asia and the Far East; Prepared by the Secretariat. Bangkok: s.n, 1952.
Citatione MLA (9a ed.)United Nations. Economic Commission for Asia and the Far East. Coal and Iron Ore Resources of Asia and the Far East; Prepared by the Secretariat. s.n, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.