APA引文

-. (1991). Mastering the business cycle: The entrepreneurs's guideseries. Probus Pub.Comp.

芝加哥风格引文

-. Mastering the Business Cycle: The Entrepreneurs's Guideseries. America: Probus Pub.Comp, 1991.

MLA引文

-. Mastering the Business Cycle: The Entrepreneurs's Guideseries. Probus Pub.Comp, 1991.

警告：这些引文格式不一定是100％准确.