How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
13-inch MacBook Late 2009 & 2010 Memory Installation Video - YouTube
MacBook Pro: How to remove or install memory - Apple Support
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
Memory Upgrades for Your 2009 - 2012 Mac Pro
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
MacBook Pro Memory Model 8.1 to 8.3 | DDR3-1333 | 12GB | MacMemory.com
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
Macbook Pro RAM 4GB (2 x 2GB) 2009 2010 2011 2012 A1278 A1286 13 15" DDR3 10600s | eBay
Late 2009 MacBook ram compatibility | MacRumors Forums