Johnson, P. A. (2013). Business Economics - III Sem - VI (T.Y.Bcom). Manan Prakashan.
Chicago-čujuhus (17. p.)Johnson, P. A. Business Economics - III Sem - VI (T.Y.Bcom). Mumbai: Manan Prakashan, 2013.
MLA-čujuhus (9. p.)Johnson, P. A. Business Economics - III Sem - VI (T.Y.Bcom). Manan Prakashan, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.