Rishi, W. R. (1976). Roma: The Panjabi emigrants in Europe, central and middle Asia, the USSR, and the Americas. Punjabi University.
Lua i Stíl Chicago (17ú heag.)Rishi, W. R. Roma: The Panjabi Emigrants in Europe, Central and Middle Asia, the USSR, and the Americas. Patiala: Punjabi University, 1976.
Lua MLA (8ú heag.)Rishi, W. R. Roma: The Panjabi Emigrants in Europe, Central and Middle Asia, the USSR, and the Americas. Punjabi University, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.