Bieber, Justin, 1994- Juvenile literature. (Personal Name)

My world [SR], 2009: label (Justin Bieber)

All Music Guide, Nov. 19, 2009 (Justin Bieber; b. Mar. 14, 1994)

Wikipedia, WWW, May 26, 2011 (b. Mar. 1, 1994, in London, Ontario, Canada; raised in Stratford, Ontario; singer, songwriter, musician, actor)

justinbieberzone.com, May 26, 2011 (Justin Drew Bieber; b. Mar. 1, 1994; Canadian pop-R&B singer)