"Wozniacki vandt i Italien" (in Danish). Danish Broadcasting Corporation. 4 February 2007. Archived from the original on 23 October 2012. Retrieved 21 June 2011.
Rothenberg, Ben (8 September 2011). "Wozniacki Defeats Petkovic". The New York Times. Archived from the original on 9 September 2011. Retrieved 9 September 2011.
"Wozniacki vandt i Italien" (in Danish). Danish Broadcasting Corporation. 4 February 2007. Archived from the original on 23 October 2012. Retrieved 21 June 2011.
Rothenberg, Ben (8 September 2011). "Wozniacki Defeats Petkovic". The New York Times. Archived from the original on 9 September 2011. Retrieved 9 September 2011.