Singh, A. (1999). Law of contract (7th.).
Chicago-čujuhus (17. p.)Singh, Avtar. Law of Contract. 7th. Lucknow, 1999.
MLA-čujuhus (9. p.)Singh, Avtar. Law of Contract. 7th. 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.