SING, C. (1978). Industrial Organisation Estimation And Project Planning / C.k. Singh And M.i Khan. Standard Publishers Distributors.
Lua i Stíl Chicago (17ú heag.)SING, C.K. Industrial Organisation Estimation And Project Planning / C.k. Singh And M.i Khan. Standard Publishers Distributors, 1978.
Lua MLA (8ú heag.)SING, C.K. Industrial Organisation Estimation And Project Planning / C.k. Singh And M.i Khan. Standard Publishers Distributors, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.