Dauten, C. A., & Valentine, L. M. (1968). Business cycles and forecasting (3d ed.). South-Western Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDauten, Carl Anton, और Lloyd M. Valentine. Business Cycles and Forecasting. 3d ed. Cincinnati: South-Western Pub. Co., 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDauten, Carl Anton, और Lloyd M. Valentine. Business Cycles and Forecasting. 3d ed. South-Western Pub. Co., 1968.
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