Gupta, S. (2022). Digital Marketing (3rd.). McGraw Hill.
Chicago-čujuhus (17. p.)Gupta, Seema. Digital Marketing. 3rd. Chennai: McGraw Hill, 2022.
MLA-čujuhus (9. p.)Gupta, Seema. Digital Marketing. 3rd. McGraw Hill, 2022.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.