1. Giant Transnational Contractors in East Asia;Appelbaum;Competition & Change,2008
2. Apple 2011 Annual Report for the Fiscal Year Ended September 24, 2011 http://files.shareholder.com/downloads/AAPL/2228807434x0xS1193125-11-282113/320193/filing.pdf
3. Apple 2012a Annual Report for the Fiscal Year Ended September 29, 2012 http://investor.apple.com/secfiling.cfm?filingID=1193125-12-444068&CIK=320193
4. Apple 2012b iPhone 5 First Weekend Sales Top Five Million http://www.apple.com/pr/library/2012/09/24iPhone-5-First-Weekend-Sales-Top-Five-Million.html
5. Apple 2013a Our Suppliers http://www.apple.com/supplierresponsibility/our-suppliers.html