Singh, J. (2010). International Business. Oxford Book co.
Chicago-čujuhus (17. p.)Singh, Jyotsana. International Business. Oxford Book co, 2010.
MLA-čujuhus (9. p.)Singh, Jyotsana. International Business. Oxford Book co, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.