PATTEN THOMAS H. (1982). MANAGERS GUIDE TO PERFORMANCE APPRAISAL. FREE PRESS.
Dyfyniad Arddull ChicagoPATTEN THOMAS H. MANAGERS GUIDE TO PERFORMANCE APPRAISAL. NEW YORK: FREE PRESS, 1982.
Dyfyniad MLAPATTEN THOMAS H. MANAGERS GUIDE TO PERFORMANCE APPRAISAL. FREE PRESS, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.