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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (9ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.