Bolt, G. J. (1988). Market and sales forecasting: A total approach (Second revised edition.). Kogan Page.
Citazione stile Chigago Style (17a edizione)Bolt, Gordon J. Market and Sales Forecasting: A Total Approach. Second revised edition. London: Kogan Page, 1988.
Citatione MLA (9a ed.)Bolt, Gordon J. Market and Sales Forecasting: A Total Approach. Second revised edition. Kogan Page, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.