Tripathi, P. C. &. R. (2015). Principles of managent (5.).
Lua i Stíl Chicago (17ú heag.)Tripathi, P C & Reddy,P.N. Principles of Managent. 5. New Delhi, 2015.
Lua MLA (9ú heag.)Tripathi, P C & Reddy,P.N. Principles of Managent. 5. 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.