Billboard Hot 100 : Tofauti kati ya masahihisho

Content deleted Content added
d fixing dead links
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8
Mstari 24:
== Viungo vya Nje ==
* [http://www.billboardradio.com/billboardradio/radiojava.jsp Billboard website]
* [httphttps://web.archive.org/web/20051124102834/http://www.billboard.com/bbcom/about_us/bbmethodology.jsp Billboard methodology]
* [https://archive.is/20120525025310/www.billboard.com/bbcom/charts/yearend_chart_index.jsp Historical Year-End Hot 100 and other charts]
* [http://www.recordresearch.com/ Joel Whitburn's Record Research publishing company]