Singh, A., Sadhu, A. N., & Singh, J. (2005). Fundamentals of agricultural economics. Himalaya Publishing House.
Cita Chicago (17th ed.)Singh, Amarjit, A. N. Sadhu, i Jasbir Singh. Fundamentals of Agricultural Economics. New Delhi: Himalaya Publishing House, 2005.
Cita MLA (9th ed.)Singh, Amarjit, et al. Fundamentals of Agricultural Economics. Himalaya Publishing House, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.