Jayagopal, R. (1990). Human resource development: Conceptual analysis and strategies. Sterling Publishers.
Lua i Stíl Chicago (17ú heag.)Jayagopal, R. Human Resource Development: Conceptual Analysis and Strategies. New Delhi: Sterling Publishers, 1990.
Lua MLA (8ú heag.)Jayagopal, R. Human Resource Development: Conceptual Analysis and Strategies. Sterling Publishers, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.