APA (7e ed.) Bronvermelding

VALENTINE, L. M., & VALENTINE, L. M. (1983). Business Cycles And Forecasting Lloyd M. Valentine And Carl A. Dauten. South-Western Publishing Co..

Chicago (17e ed.) Bronvermelding

VALENTINE, Lloyd M., en Lloyd M. VALENTINE. Business Cycles And Forecasting Lloyd M. Valentine And Carl A. Dauten. South-Western Publishing Co., 1983.

MLA (8e ed.) Bronvermelding

VALENTINE, Lloyd M., en Lloyd M. VALENTINE. Business Cycles And Forecasting Lloyd M. Valentine And Carl A. Dauten. South-Western Publishing Co., 1983.