Gaya APA

Keating, J, H, W, A, B. (2001). Business forecasting with accompanying exel-based forecastXTM software (4). New York: McGraw-Hill, Co.

Gaya MLA

Keating, J., Holton, Wilson, And, Barry. "Business forecasting with accompanying exel-based forecastXTM software". 4 New York: McGraw-Hill, Co, 2001. Text.