Saxena, R. Marketing Management (4th.). TMH.
Chicago-čujuhus (17. p.)Saxena, Rajan. Marketing Management. 4th. TMH.
MLA-čujuhus (9. p.)Saxena, Rajan. Marketing Management. 4th. TMH.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.