(2019). Revista del Observatorio eCommerce. Observatorio eCommerce.
Chicago-čujuhus (17. p.)Revista Del Observatorio ECommerce. Madrid: Observatorio eCommerce, 2019.
MLA-čujuhus (9. p.)Revista Del Observatorio ECommerce. Observatorio eCommerce, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.