SHARMA O.P. (1977). RAILWAYS,BRIDGES &TONNELS. KATSON PUB.HOUSE.
Lua i Stíl Chicago (17ú heag.)SHARMA O.P. RAILWAYS,BRIDGES &TONNELS. LUDHIANA: KATSON PUB.HOUSE, 1977.
Lua MLA (9ú heag.)SHARMA O.P. RAILWAYS,BRIDGES &TONNELS. KATSON PUB.HOUSE, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.