Hoepers, C., Barbosa, H. F., Steding-Jessen, K., & CGI.br. (2017). Fighting Internet spam in Brazil - Historical overview and reflections on combating spam and managing port 25, coordinated by the Brazilian Internet Steering Committee. Comitê Gestor da Internet no Brasil.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումHoepers, Cristine, Henrique Faulhaber Barbosa, Klaus Steding-Jessen, and CGI.br. Fighting Internet Spam in Brazil - Historical Overview and Reflections on Combating Spam and Managing Port 25, Coordinated by the Brazilian Internet Steering Committee. Comitê Gestor da Internet no Brasil, 2017.
MLA (9րդ խմբ.) ՄեջբերումHoepers, Cristine, et al. Fighting Internet Spam in Brazil - Historical Overview and Reflections on Combating Spam and Managing Port 25, Coordinated by the Brazilian Internet Steering Committee. Comitê Gestor da Internet no Brasil, 2017.