Dwivedi, R. (1998). Corporate excellence: The external quest. Macmillan India Ltd.
Lua i Stíl Chicago (17ú heag.)Dwivedi, R. Corporate Excellence: The External Quest. Delhi: Macmillan India Ltd, 1998.
Lua MLA (9ú heag.)Dwivedi, R. Corporate Excellence: The External Quest. Macmillan India Ltd, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.