APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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