MacBook Pro: How to remove or install memory - Apple Support
Apple Macbook RAM Upgrades (2006 - 2010) - OWC
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
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
MacBook Pro: How to remove or install memory - Apple Support
Apple MacBook Pro Summer 2009 review: Apple MacBook Pro Summer 2009 - CNET