एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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