Robertson, J. Jobs - Apple's master inventor, marketer. Manila Bulletin.
Cita Chicago (17th ed.)Robertson, Jordan. "Jobs - Apple's Master Inventor, Marketer." Manila Bulletin .
Cita MLA (9th ed.)Robertson, Jordan. "Jobs - Apple's Master Inventor, Marketer." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.