APA aipamena

SAUNDERS JOHN A. (1987). PRACTICAL BUSINESS FORECASTING. GOWER.

Chicago Style aipamena

SAUNDERS JOHN A. PRACTICAL BUSINESS FORECASTING. ENGLAND: GOWER, 1987.

MLA aipamena

SAUNDERS JOHN A. PRACTICAL BUSINESS FORECASTING. GOWER, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.