Spivey, D. (2011). Mac OS X Lion. John Wiley & Sons, Inc..
Chicago-čujuhus (17. p.)Spivey, Dwight. Mac OS X Lion. Indianapolis, Ind.: John Wiley & Sons, Inc., 2011.
MLA-čujuhus (9. p.)Spivey, Dwight. Mac OS X Lion. John Wiley & Sons, Inc., 2011.
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