APA (7th ed.) Zitazioa

Journal of Business Forecasting Methods & Systems. Graceway Publishing Company.

Chicago Style (17th ed.) Zitazioa

Journal of Business Forecasting Methods & Systems. Graceway Publishing Company.

MLA (9th ed.) Zitazioa

Journal of Business Forecasting Methods & Systems. Graceway Publishing Company.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.