13-inch MacBook Late 2009 & 2010 Memory Installation Video - YouTube
MacBook Air 13" Mid 2011 Teardown - iFixit
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SOLVED: Upgrading Memory on MacBook Air 2011 11 inch Model - MacBook Air 11" Mid 2011 - iFixit
MacBook Air 13" Mid 2011 Teardown - iFixit
How to Upgrade MacBook Air Storage (Late 2010/Mid-2011): EveryMac.com