Gianmarco Piccioni (English Wikipedia)

"Giammarco Piccioni in rossoblù". L'Aquila Calcio 1927 (in Italian). 19 August 2010. Archived from the original on 28 April 2012. Retrieved 8 January 2012.
"CALCIOMERCATO, INGAGGIATI COLUSSI, PRIZIO E SIMONCINI". L'Aquila Calcio 1927 (in Italian). Retrieved 8 January 2012.^{[permanent dead link]}

lega-pro.com

"CU N°78/TB (2007–08)" (PDF). Campionato Berretti, Lega Pro (in Italian). 30 January 2008. Retrieved 8 January 2012.^{[permanent dead link]}
"PRIMA USCITA DELL'UNDER 20 DI LEGA PRO". Lega Pro (in Italian). 29 September 2010. Archived from the original on 2012-03-09. Retrieved 8 January 2012.
"RISULTATI 1^ GIORNATA QUADRANGOLARE LEGA PRO". Lega Pro (in Italian). 19 January 2011. Archived from the original on 2012-03-22. Retrieved 8 January 2012.
"FINALE PRIMO-SECONDO POSTO QUADRANGOLARE". Lega Pro (in Italian). 21 January 2011. Archived from the original on 22 April 2012. Retrieved 8 January 2012.
"CHIUSURA CAMPAGNA TRASFERIMENTI AL 31/08/2011". Lega Pro (in Italian). 31 August 2011. Archived from the original on 22 March 2012. Retrieved 19 March 2012.

"Amabile e Piccioni in rossonero". SS Virtus Lanciano 1924 (in Italian). 31 August 2011. Archived from the original on 2 February 2016. Retrieved 8 January 2012.

"Giammarco Piccioni in rossoblù". L'Aquila Calcio 1927 (in Italian). 19 August 2010. Archived from the original on 28 April 2012. Retrieved 8 January 2012.
"PRIMA USCITA DELL'UNDER 20 DI LEGA PRO". Lega Pro (in Italian). 29 September 2010. Archived from the original on 2012-03-09. Retrieved 8 January 2012.
"RISULTATI 1^ GIORNATA QUADRANGOLARE LEGA PRO". Lega Pro (in Italian). 19 January 2011. Archived from the original on 2012-03-22. Retrieved 8 January 2012.
"FINALE PRIMO-SECONDO POSTO QUADRANGOLARE". Lega Pro (in Italian). 21 January 2011. Archived from the original on 22 April 2012. Retrieved 8 January 2012.
"CHIUSURA CAMPAGNA TRASFERIMENTI AL 31/08/2011". Lega Pro (in Italian). 31 August 2011. Archived from the original on 22 March 2012. Retrieved 19 March 2012.
"Amabile e Piccioni in rossonero". SS Virtus Lanciano 1924 (in Italian). 31 August 2011. Archived from the original on 2 February 2016. Retrieved 8 January 2012.