O'Brien, D. P. (1997). The foundations of business cycle theory. E. Elgar Pub..
Chicago Style (17th ed.) CitationO'Brien, D. P. The Foundations of Business Cycle Theory. Cheltenham, UK ; Lyme, NH, US: E. Elgar Pub., 1997.
MLA (8th ed.) CitationO'Brien, D. P. The Foundations of Business Cycle Theory. E. Elgar Pub., 1997.
Warning: These citations may not always be 100% accurate.