Chopra, R. N. (1981). Evolution of food policy in India. Macmillan.
Lua i Stíl Chicago (17ú heag.)Chopra, R. N. Evolution of Food Policy in India. Delhi: Macmillan, 1981.
Lua MLA (8ú heag.)Chopra, R. N. Evolution of Food Policy in India. Macmillan, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.