Dyfyniad APA

Wilson, J. H., & Keating, B. (1994). Business forecasting. Irwin.

Dyfyniad Arddull Chicago

Wilson, J. Holton, and Barry Keating. Business Forecasting. Burr Ridge, Ill: Irwin, 1994.

Dyfyniad MLA

Wilson, J. Holton, and Barry Keating. Business Forecasting. Irwin, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.