Langer, M. (2007). Mac OS X 10.5 Leopard: Visual QuickStart Guide (1st edition.). Peachpit Press.
Cita Chicago Style (17a ed.)Langer, Maria. Mac OS X 10.5 Leopard: Visual QuickStart Guide. 1st edition. Peachpit Press, 2007.
Cita MLA (9a ed.)Langer, Maria. Mac OS X 10.5 Leopard: Visual QuickStart Guide. 1st edition. Peachpit Press, 2007.
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