Perenson, M. D. Apple's Leopard OS: More momentum for Macs. PC World Philippines.
Cita Chicago (17th ed.)Perenson, Melissa; Dahl. "Apple's Leopard OS: More Momentum for Macs." PC World Philippines .
Cita MLA (9th ed.)Perenson, Melissa; Dahl. "Apple's Leopard OS: More Momentum for Macs." PC World Philippines, .
Atenció: Aquestes cites poden no estar 100% correctes.