Narayan, B. (1999). Project planning. A.P.H.Publication Corporation.
Lua i Stíl Chicago (17ú heag.)Narayan, B. Project Planning. New Delhi: A.P.H.Publication Corporation, 1999.
Lua MLA (8ú heag.)Narayan, B. Project Planning. A.P.H.Publication Corporation, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.