"The 21st Academy Awards (1949) Nominees and Winners". Academy of Motion Picture Arts and Sciences (AMPAS). 21 Mart 2016 tarihinde kaynağından arşivlendi. Erişim tarihi: 27 Ağustos 2013.Note: Instead of the categories "Original Screenplay and "Screenplay", it was combined into one category, called "Screenplay", the award was given to The Treasure of the Sierra Madre adapted from the novel of same name.
"The 21st Academy Awards (1949) Nominees and Winners". Academy of Motion Picture Arts and Sciences (AMPAS). 21 Mart 2016 tarihinde kaynağından arşivlendi. Erişim tarihi: 27 Ağustos 2013.Note: Instead of the categories "Original Screenplay and "Screenplay", it was combined into one category, called "Screenplay", the award was given to The Treasure of the Sierra Madre adapted from the novel of same name.
