Krishna, D. (1965). A theory of social change. Manaktalas.
Cita Chicago (17th ed.)Krishna, Daya. A Theory of Social Change. Bombay: Manaktalas, 1965.
Cita MLA (9th ed.)Krishna, Daya. A Theory of Social Change. Manaktalas, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.