Falcone, Paul
Productive performance appraisals
American Management Association, 2007
 eBooks
Arthur, Diane
Performance appraisals: strategies for success
[American Management Association, ], 2008
 eBooks
Encyclopedia of practical management 1 : leadership
by Walter J. Wadsworth
Gemini Books, 2000
 Buku Referensi
McKirchy, Karen
Powerful performance appraisals / Karen McKirchy
Elex Media Komputindo, 2004
 Buku Teks
Encyclopedia of practical management 3 : goal-setting & achievement
by Walter J. Wadsworth
Gemini Books, 2000
 Buku Referensi