Singer, H. W., Hatti, N., & Tandon, R. (1990). Trade liberalization in 1990s. Ashish Publishing House.
Chicago-čujuhus (17. p.)Singer, H. W., Neelambar Hatti, juo Rameshwar Tandon. Trade Liberalization in 1990s. New Delhi: Ashish Publishing House, 1990.
MLA-čujuhus (9. p.)Singer, H. W., et al. Trade Liberalization in 1990s. Ashish Publishing House, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.