APA-Zitierstil (7. Ausg.)

Valentine, L. M. (1987). Business cycles and forecasting (7. ed.). South-Western Publ. Co.

Chicago-Zitierstil (17. Ausg.)

Valentine, Lloyd M. Business Cycles and Forecasting. 7. ed. Cincinnati, Ohio <<[u.a.]>>: South-Western Publ. Co, 1987.

MLA-Zitierstil (9. Ausg.)

Valentine, Lloyd M. Business Cycles and Forecasting. 7. ed. South-Western Publ. Co, 1987.