APA-Zitierstil (7. Ausg.)

Cleary, J. P., & Levenbach, H. (1982). The professional forecaster: The forecasting process through data analysis (1. print.). Lifetime Learning Publ.

Chicago-Zitierstil (17. Ausg.)

Cleary, James P., und Hans Levenbach. The Professional Forecaster: The Forecasting Process Through Data Analysis. 1. print. Belmont, Calif: Lifetime Learning Publ, 1982.

MLA-Zitierstil (9. Ausg.)

Cleary, James P., und Hans Levenbach. The Professional Forecaster: The Forecasting Process Through Data Analysis. 1. print. Lifetime Learning Publ, 1982.