Hornfeld, H. (1975). A background study for business opportunities in plastics in the Middle East and North Africa. Business Communications Co.
芝加哥风格引文Hornfeld, Howard. A Background Study for Business Opportunities in Plastics in the Middle East and North Africa. Geneva: Business Communications Co, 1975.
MLA引文Hornfeld, Howard. A Background Study for Business Opportunities in Plastics in the Middle East and North Africa. Business Communications Co, 1975.
警告：这些引文格式不一定是100％准确.