Djokovic growing in confidence going into U.S. Open | Reuters.com
Djokovic wins 2-0 at Madrid Open, advances to next round -- china.org.cn
File:Novak Djokovic - 2009 US Open.jpg - Wikipedia
Serbia's Novak Djokovic celebrates a point during the 2009 Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon, London Stock Photo - Alamy
Federer Beats Djokovic to Reach Final - The New York Times
Djokovic, Federer ease into U.S. Open quarters - CNN.com
Holder Djokovic out despite victory - CNN.com
Djokovic misses out on world No2 spot after loss to Nieminen | Australian Open 2009 | The Guardian
File:Novak Đoković at the 2009 US Open 02.jpg - Wikimedia Commons
Djokovic's Carefree Spirit, and His Game, Are Grounded - The New York Times
Australian Open 2009 – Novak Djokovic
Relive Novak Djokovic & Rafael Nadal's Epic 2009 Madrid Semi-final - YouTube
Novak Djokovic Wins Paris Masters 2009 | I AM SURVIVORDEAN