Ejemplo Bibliografía Biblatex [bibliografia.bib]

@book{stallings,
    location = {Madrid},
    title = {Comunicaciones y redes de computadores},
    isbn = {8420541109 9788420541105},
    publisher = {Pearson Prentice Hall},
    author = {Stallings, William},
    date = {2004}
}

@online{dlink,
    title = {D-Link Basic Certification},
    titleaddon = {Certificación On-Line},
    url = {http://web.dlinkla.com/dti/homes/dbc.jsp},
    date = {2014},
    urldate = {2015-05-05}
}

@unpublished{claseip,
    title = {Direccionamiento IP},
    note = {Presentación Cisco Networking Academy (Lámina 24)},
    url = {http://www.ie.itcr.ac.cr/acotoc/CISCO/R&S%20CCNA1/R&S_CCNA1_ITN_Chapter8_Direccionamiento%20IP.pdf},
    author = {Coto Cortés, Aníbal},
    urldate = {2015-05-07},
    date = {2008}
}

@manual{cpt2,
    title = {Packet Tracer Student version 6.2.0},
    author = {Cisco Networking Academy},
    year = {2015},
    url = {https://www.netacad.com/es/web/about-us/cisco-packet-tracer}
}