APA (7 वां संस्करण) प्रशस्ति पत्र

Levenbach, H., & Cleary, J. P. (2006). Forecasting: Practice and process for demand management. Thomson/ Brooks/Cole.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Levenbach, Hans, और James P. Cleary. Forecasting: Practice and Process for Demand Management. Belmont, CA: Thomson/ Brooks/Cole, 2006.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Levenbach, Hans, और James P. Cleary. Forecasting: Practice and Process for Demand Management. Thomson/ Brooks/Cole, 2006.