MacBook Pro: How to remove or install memory - Apple Support
13-inch MacBook Late 2009 & 2010 Memory Installation Video - YouTube
apple-history.com / MacBook Pro (13-inch, Mid 2009)
Timetec Hynix IC 16GB KIT(2x8GB) Compatible for Apple DDR3 PC3-8500 1067MHz/1066MHz Upgrade for MacBook 13'' Mid 2010, MacBook Pro 13'' Mid 2010, iMac 27''Late 2009, Mac Mini Mid 2010(16GB KIT(2x8GB)) - Newegg.com