Ponte, C., & Simões, J. A. d. V. Comparing results on internet access and use: Brazil, Portugal And Europe.
Chicago-čujuhus (17. p.)Ponte, Cristina, juo José Alberto de Vasconcelos Simões. Comparing Results on Internet Access and Use: Brazil, Portugal And Europe.
MLA-čujuhus (9. p.)Ponte, Cristina, juo José Alberto de Vasconcelos Simões. Comparing Results on Internet Access and Use: Brazil, Portugal And Europe.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.