"Ricketts signed with Poli!" (in Romanian). Politehnica Timișoara. 19 November 2010. Archived from the original on 23 November 2010. Retrieved 20 November 2010.
Waage, Thor Erik (6 September 2013). "Ricketts forlater Ulf" (in Norwegian). Rogalands Avis. Archived from the original on 2 October 2013. Retrieved 29 September 2013.
"Ricketts signed with Poli!" (in Romanian). Politehnica Timișoara. 19 November 2010. Archived from the original on 23 November 2010. Retrieved 20 November 2010.
Waage, Thor Erik (6 September 2013). "Ricketts forlater Ulf" (in Norwegian). Rogalands Avis. Archived from the original on 2 October 2013. Retrieved 29 September 2013.