Gaya APA

Valentine, Lloyd M. (1987). Business cycles and forecasting (7e). Cincinnati, Ohio: South Western.

Gaya Chicago

Valentine, Lloyd M. Business cycles and forecasting. 7e Cincinnati, Ohio: South Western, 1987. Buku.

Gaya MLA

Valentine, Lloyd M. Business cycles and forecasting. 7e Cincinnati, Ohio: South Western, 1987. Buku.

Gaya Turabian

Valentine, Lloyd M. Business cycles and forecasting. 7e Cincinnati, Ohio: South Western, 1987. Buku.