President Barack Obama, in the Oval Office. 奧巴馬總統,  橢圓形辦公室.

 (Official White House Photo by Pete Souza)
 July 9, 2012. (Official White House Photo by Pete Souza)
The Official White House Photostream
, August 6, 2012. REUTERS/Larry Downing 
August 8, 2012. REUTERS/Larry Downing
Oval Office - Latest news, videos, and information- NBCNews.com http://www.msnbc.msn.com/id/33103506/?q=Oval%20Office
파일:Barack Obama thinking, first day in the Oval Office.jpg - 위키백과, 우리 모두의 백과사전http://ko.wikipedia.org/wiki/%ED%8C%8C%EC%9D%BC:Barack_Obama_thinking,_first_day_in_the_Oval_Office.jpg
Little Green Footballs http://littlegreenfootballs.com/
There’s a Story Behind the Little Boy Who Had a Special Oval Office Moment - COLORLINES http://colorlines.com/archives/2012/05/the_story_behind_that_picture_of_a_black_child_touching_obamas_hair_in_the_oval_office.html