SmILy'S+reFeREnCe+PaGE



Books/encyclopedias

Web pages/electronic encyclopedias

Carst, Alexandre. "Hubble Telescope Project Postponed." __Enews__. 05-03-08. Enews20.com. 8 May 2008 <[|http://www.enews20.com/news_Hubble_Telescope_Project_Postponed_07643.html>.]

"Nasa Announces Details of Hubble Servicing Mission." Nasa. 9 May 2008 .

Brian, Marshall. "How UPC Barcodes Work." __How Stuff Works__. 19 May 2008 .

Media (videos, widgets, images)

Magazines/journals/newspaper