Sudhar, S. (1974). A richar harvest: New horizons for developing countries. Tata McGraw -Hill.
Cita Chicago (17th ed.)Sudhar, Sen. A Richar Harvest: New Horizons for Developing Countries. New Delhi: Tata McGraw -Hill, 1974.
Cita MLA (9th ed.)Sudhar, Sen. A Richar Harvest: New Horizons for Developing Countries. Tata McGraw -Hill, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.