APA引文

U.S. Industry Quarterly Review: Machinery & Equipment. IHS Markit Ltd.

芝加哥风格引文

U.S. Industry Quarterly Review: Machinery & Equipment. IHS Markit Ltd.

MLA引文

U.S. Industry Quarterly Review: Machinery & Equipment. IHS Markit Ltd.

警告：这些引文格式不一定是100％准确.