Petzold, C. Exploring multi-touch support in Silverlight. MSDN magazine.
Chicago Style (17th ed.) CitationPetzold, Charles. "Exploring Multi-touch Support in Silverlight." MSDN Magazine .
MLA (9th ed.) CitationPetzold, Charles. "Exploring Multi-touch Support in Silverlight." MSDN Magazine, .
Warning: These citations may not always be 100% accurate.