A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com
MacBook Pro: How to remove or install memory - Apple Support
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
Apple MacBook Pro 13.3" (Mid-2009) Core 2 Duo, 4GB RAM, 160GB HDD – Service Batt – ASA College: Florida
Apple MacBook Air A1304 13″ Mid 2009 Ram Replacement – iFixGeek iPhone , Mac and PC Service Dallas Plano Richardson Texas