End of Year Singles Chart on 4/1/2009 | Official Charts
Baligitha's Blog Presents : Top 40 Songs of 2009 (part 2) | Baligitha's Blog
End of Year Singles Chart on 4/1/2009 | Official Charts
Whitney Houston Re-Enters Top 40 on U.K. Charts
End of Year Singles Chart on 4/1/2009 | Official Charts
ArtStation - UK Top 40 Single Chart Graphic
Billboard Book of Top 40 Hits, 9th Edition, The: Complete Chart Information about America's Most Popular Songs and Artists, 1955-2009 - Joel Whitburn: 9780823085545 - AbeBooks
End of Year Singles Chart on 4/1/2009 | Official Charts
Official Singles Chart on 6/9/2009 | Official Charts
The Virgin Book of Top 40 Charts (Virgin Books) by unknown (2009) Paperback: Amazon.co.uk: Books
End of Year Singles Chart on 4/1/2009 | Official Charts
The Official UK Top 40 Singles Chart
End of Year Singles Chart on 4/1/2009 | Official Charts
End of Year Singles Chart on 4/1/2009 | Official Charts
End of Year Singles Chart on 4/1/2009 | Official Charts
End of Year Singles Chart on 4/1/2009 | Official Charts
List of UK top-ten singles in 2009 - Wikipedia
BBC Radio 2 - The Most Played Tracks of The Decade - The Top 40 Most Played Tracks of the Decade: 2010-2020
How to make the singles chart fairer | Pop and rock | The Guardian
Year-End Chart 2009 – UK - YourMusicCharts
List of best-selling singles of the 1990s in the United Kingdom - Wikipedia
End of Year Singles Chart on 4/1/2009 | Official Charts
Year-End Chart 2009 – UK - YourMusicCharts
