Gupta, K. C., & Gulati, D. V. (1968). A survey of accidents and working conditions in transport equipment industry. Issued by Directorate General of Factory Advice Service and Labour Institutes.
Lua i Stíl Chicago (17ú heag.)Gupta, Kali Charan, agus D. V. Gulati. A Survey of Accidents and Working Conditions in Transport Equipment Industry. Bombay: Issued by Directorate General of Factory Advice Service and Labour Institutes, 1968.
Lua MLA (8ú heag.)Gupta, Kali Charan, agus D. V. Gulati. A Survey of Accidents and Working Conditions in Transport Equipment Industry. Issued by Directorate General of Factory Advice Service and Labour Institutes, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.