Patel, N. K. (1976). Indian rubber industry: A review. All India Rubber Industries Association.
Lua i Stíl Chicago (17ú heag.)Patel, N. K. Indian Rubber Industry: A Review. Bombay: All India Rubber Industries Association, 1976.
Lua MLA (8ú heag.)Patel, N. K. Indian Rubber Industry: A Review. All India Rubber Industries Association, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.