Njagi, E. (2006). Performance management system's impact on productivity: A case of jubilee insurance. Daystar University.
Lua i Stíl Chicago (17ú heag.)Njagi, Emmah. Performance Management System's Impact on Productivity: A Case of Jubilee Insurance. Nairobi, Kenya: Daystar University, 2006.
Lua MLA (9ú heag.)Njagi, Emmah. Performance Management System's Impact on Productivity: A Case of Jubilee Insurance. Daystar University, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.