(1975). World economic interdependence and trade in commodities. H.M.S.O..
芝加哥风格引文World Economic Interdependence and Trade in Commodities. London: H.M.S.O., 1975.
MLA引文World Economic Interdependence and Trade in Commodities. H.M.S.O., 1975.
警告：这些引文格式不一定是100％准确.