http://fr.slideshare.net/callumjg1/codes-and-conventions-of-documentaries-19082475
https://www.tes.co.uk/teaching-resource/Codes-and-Conventions-of-Magazines-6204595/
http://www.bing.com/videos/search?q=codes+and+conventions+of+documentaries&FORM=VIRE2#view=detail&mid=9E728D0D08B2EF269FBB9E728D0D08B2EF269FBB
http://www.godnose.co.uk/downloads/alevel/documentary/Doc%20Modes%20nichols.pdf
http://dictionary.reference.com/browse/Objectivity
https://www.tes.co.uk/teaching-resource/Codes-and-Conventions-of-Magazines-6204595/
http://www.bing.com/videos/search?q=codes+and+conventions+of+documentaries&FORM=VIRE2#view=detail&mid=9E728D0D08B2EF269FBB9E728D0D08B2EF269FBB
http://www.godnose.co.uk/downloads/alevel/documentary/Doc%20Modes%20nichols.pdf
http://dictionary.reference.com/browse/Objectivity