League of Nations. Secretariat. Economic and Financial Section. (1928). Memorandum on production and trade. Submitted to the Preparatory Committee for the International Economic Conference. Imp. de la Tribune.
芝加哥风格引文League of Nations. Secretariat. Economic and Financial Section. Memorandum on Production and Trade. Submitted to the Preparatory Committee for the International Economic Conference. Geneva: Imp. de la Tribune, 1928.
MLA引文League of Nations. Secretariat. Economic and Financial Section. Memorandum on Production and Trade. Submitted to the Preparatory Committee for the International Economic Conference. Imp. de la Tribune, 1928.
警告：这些引文格式不一定是100％准确.