APA引文

Bratt, E. C. (1949). Business cycles and forecasting. Chicago: Richard D. Irwin, Inc.

Trích dẫn kiểu Chicago

Bratt, Elmer Clark. Business Cycles and Forecasting. Chicago: Richard D. Irwin, Inc, 1949.

MLA引文

Bratt, Elmer Clark. Business Cycles and Forecasting. Chicago: Richard D. Irwin, Inc, 1949.

警告：這些引文格式不一定是100％准確.