Das Gupta, P. (1975). Why nationalisation? Communist Party of India.
Lua i Stíl Chicago (17ú heag.)Das Gupta, Prabhat. Why Nationalisation? [New Delhi: Communist Party of India, 1975.
Lua MLA (8ú heag.)Das Gupta, Prabhat. Why Nationalisation? Communist Party of India, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.