Dyfyniad APA

Jones,Harry, & Twiss,Brian C. (1978). Forecasting technology for planning decisions. Mac Millan.

Dyfyniad Arddull Chicago

Jones,Harry, and Twiss,Brian C. Forecasting Technology for Planning Decisions. London: Mac Millan, 1978.

Dyfyniad MLA

Jones,Harry, and Twiss,Brian C. Forecasting Technology for Planning Decisions. Mac Millan, 1978.

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