Johnson , M. (2007). Economics Std XI (2nd.). Manan.
Chicago-čujuhus (17. p.)Johnson , Mercy. Economics Std XI. 2nd. Mumbai: Manan, 2007.
MLA-čujuhus (9. p.)Johnson , Mercy. Economics Std XI. 2nd. Manan, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.