Schulmeister, D. (1971). Some basic questions on foreign trade planning. The Institute of National Planning.
芝加哥风格引文Schulmeister, Dieter. Some Basic Questions on Foreign Trade Planning. Cairo: The Institute of National Planning, 1971.
MLA引文Schulmeister, Dieter. Some Basic Questions on Foreign Trade Planning. The Institute of National Planning, 1971.
警告：这些引文格式不一定是100％准确.