Liedtke, M. Apple offering free recycling of all used products; pushes RE. IN Business News. Manila Bulletin.
Chicago-viite (17. p.)Liedtke, Michael. "Apple Offering Free Recycling of All Used Products; Pushes RE. IN Business News." Manila Bulletin .
MLA-viite (9. p.)Liedtke, Michael. "Apple Offering Free Recycling of All Used Products; Pushes RE. IN Business News." Manila Bulletin, .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.