MacBook Pro: How to remove or install memory - Apple Support
Adamanta 16GB (2x8GB) Memory Upgrade Compatible for Apple Mid 2010, Early 2011, Mid 2011, Late 2011 iMac, MacBook Pro, Mac Mini DDR3 1333Mhz PC3-10600 SODIMM 2Rx8 CL9 1.5v Module RAM at Amazon.com
Corsair Apple Certified 16 GB (2x8 GB) DDR3 1600MHz (PC3 12800) Laptop Memory 1.35V at Amazon.com
MacBook Pro: How to remove or install memory - Apple Support
16GB RAM in a Mid 2010 MacBook Pro | MacRumors Forums
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
MacBook Pro: How to remove or install memory - Apple Support