Krishna, D. (1965). A theory of social change. Manaktalas.
Lua i Stíl Chicago (17ú heag.)Krishna, Daya. A Theory of Social Change. Bombay: Manaktalas, 1965.
Lua MLA (9ú heag.)Krishna, Daya. A Theory of Social Change. Manaktalas, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.