Gaya APA

BOLT, Gordon J. (1981). Market and sales forecasting a total approach . London: Kogan Page.

Gaya Chicago

BOLT, Gordon J. Market and sales forecasting a total approach. London: Kogan Page, 1981. Monograf.

Gaya MLA

BOLT, Gordon J. Market and sales forecasting a total approach. London: Kogan Page, 1981. Monograf.

Gaya Turabian

BOLT, Gordon J. Market and sales forecasting a total approach. London: Kogan Page, 1981. Monograf.