MacBook Pro: How to remove or install memory - Apple Support
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
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
Timetec Hynix IC 8GB Compatible for Apple DDR3 PC3-8500 1067MHz /1066MHz SODIMM Memory Upgrade for MacBook 13 Mid 2010, MacBook Pro 13 Mid 2010, iMac 27Late 2009, Mac Mini Mid 2010 (8GB) - Walmart.com
MacBook Pro - Wikipedia
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.26GHz Intel Core 2 Duo - (13-inch) (DDR3) (MB990LL/A - Mid-2009) (DDR3-8500) Laptop Memory at Amazon.com
apple-history.com / MacBook Pro (13-inch, Mid 2009)
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
How to upgrade MacBook Pro RAM (2009-2012) - YouTube
MacBook Pro: How to remove or install memory - Apple Support
How to upgrade RAM (up to 8GB) on MacBook 13 inch (White) Late 2009 & Mid 2010? | TechLunar
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com