Cita APA (7th ed.)

Bolt, G. J. (1982). Market and sales forecasting MANUAL (Rev. ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Bolt, Gordon J. Market and Sales Forecasting MANUAL. Rev. ed. Englewood Cliffs, N.J: Prentice-Hall, 1982.

Cita MLA (9th ed.)

Bolt, Gordon J. Market and Sales Forecasting MANUAL. Rev. ed. Prentice-Hall, 1982.