Fletcher , C. (1998). Appraisal: Routes to improved performance. Jaico.
Chicago-čujuhus (17. p.)Fletcher , Clive. Appraisal: Routes to Improved Performance. Mumbai: Jaico, 1998.
MLA-čujuhus (9. p.)Fletcher , Clive. Appraisal: Routes to Improved Performance. Jaico, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.