Evaluation Research Society & Zweig, F. M. (1979). Evaluation in legislation. Sage Publications.
Dyfyniad Arddull ChicagoEvaluation Research Society and Franklin M. Zweig. Evaluation in Legislation. Beverly Hills, Calif: Sage Publications, 1979.
Dyfyniad MLAEvaluation Research Society and Franklin M. Zweig. Evaluation in Legislation. Sage Publications, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.