APA-čujuhus (7. p.)

Gupta, S. (2020). Digital Marketing (2nd.). McgrawHill.

Chicago-čujuhus (17. p.)

Gupta, Seema. Digital Marketing. 2nd. Chennai: McgrawHill, 2020.

MLA-čujuhus (9. p.)

Gupta, Seema. Digital Marketing. 2nd. McgrawHill, 2020.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.