MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
MacBook Core 2 Duo RAM Replacement - iFixit Repair Guide
MacBook Pro: How to remove or install memory - Apple Support
How to Upgrade the RAM in a White Unibody MacBook - YouTube
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Upgrade RAM (8GB) on MacBook 13' Late 2009 and mid 2010 [Guide] - YouTube
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Replace your 2009-2012 MacBook Pro HD with an SSD
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC