Singer, H. W., Hatti, N., & Tandon, R. (1990). Trade liberalization in 1990s. Ashish Publishing House.
Cita Chicago (17th ed.)Singer, H. W., Neelambar Hatti, i Rameshwar Tandon. Trade Liberalization in 1990s. New Delhi: Ashish Publishing House, 1990.
Cita MLA (9th ed.)Singer, H. W., et al. Trade Liberalization in 1990s. Ashish Publishing House, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.