Dave Chaffey & Fiona Ellis. (2019). Digital Marketing (7th ed.). Pearson.
Chicago-čujuhus (17. p.)Dave Chaffey juo Fiona Ellis. Digital Marketing. 7th ed. Delhi: Pearson, 2019.
MLA-čujuhus (9. p.)Dave Chaffey juo Fiona Ellis. Digital Marketing. 7th ed. Pearson, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.