"Comunicato Ufficiale n.55 (2006–07)" [Official announcement n.55 (2006–07)] (PDF) (in Italian). FIGC Lazio. 10 May 2007. Archived from the original(PDF) on 25 April 2012. Retrieved 19 October 2011.
"Ceduto Davide Zappacosta" [Davide Zappacosta transferred] (in Italian). A.C. Isola Liri. 20 January 2011. Archived from the original on 25 April 2012. Retrieved 19 October 2011.
lega-calcio-serie-c.it
"Comunicato Ufficiale n.43/TB (2009–10)" [Official announcement n.43/TB (2009–10)] (PDF). Campionato Berretti (in Italian). Lega Calcio Serie C. 25 November 2009. Archived from the original(PDF) on 15 April 2012. Retrieved 19 October 2011.
"Comunicato Ufficiale n.55 (2006–07)" [Official announcement n.55 (2006–07)] (PDF) (in Italian). FIGC Lazio. 10 May 2007. Archived from the original(PDF) on 25 April 2012. Retrieved 19 October 2011.
"Comunicato Ufficiale n.43/TB (2009–10)" [Official announcement n.43/TB (2009–10)] (PDF). Campionato Berretti (in Italian). Lega Calcio Serie C. 25 November 2009. Archived from the original(PDF) on 15 April 2012. Retrieved 19 October 2011.
"Ceduto Davide Zappacosta" [Davide Zappacosta transferred] (in Italian). A.C. Isola Liri. 20 January 2011. Archived from the original on 25 April 2012. Retrieved 19 October 2011.