MacBook Pro: How to remove or install memory - Apple Support
Hynix IC 8GB KIT2x4GB Compatible for Apple DDR3 1067MHz1066MHz PC38500 SODIMM RAM Upgrade for Late 2008 EarlyMidLate 2009 Mid 2010 MacBook MacBook Pro iMac Mac Mini 8GB KIT2x4GB - Newegg.com
Upgrade RAM On Your 2009-2012 13-inch MacBook Pro - Tech Genesis
MacBook Pro Memory Upgrade Kits (2008, 2009 and 2010)
MacBook Pro: How to remove or install memory - Apple Support
4GB 2x 2GB DDR3 RAM Apple MacBook Pro 15 inch Late 2008 Mid 2009 Mid 2010 Memory | eBay
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
2GB Apple MacBook Pro 17 inch Early 2009 Mid 2009 Mid 2010 DDR3 1067 MHz Memory | eBay
Timetec Hynix IC 8GB Compatible for Apple DDR3 1333MHz PC3-10600 SODIMM Memory for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 and Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini (8GB) - Walmart.com