Dyfyniad APA

Owens, T. R. (1979). Program evaluation skills for busy administrators (Rev. ed.). Northwest Regional Educational Laboratory.

Dyfyniad Arddull Chicago

Owens, Thomas R. Program Evaluation Skills for Busy Administrators. Rev. ed. Portland, Oregon: Northwest Regional Educational Laboratory, 1979.

Dyfyniad MLA

Owens, Thomas R. Program Evaluation Skills for Busy Administrators. Rev. ed. Northwest Regional Educational Laboratory, 1979.

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