13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
My 2009 Macbook Unibody still running hot in 2020 with a new SSD and maxed out RAM : r/mac
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
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
How to Upgrade A1342 Unibody White MacBook RAM (Memory): EveryMac.com