Streitfeld, D. Message to google glass: Keep out. IN Technology & Gadgets. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Streitfeld, David. "Message to Google Glass: Keep Out. IN Technology & Gadgets." Manila Bulletin .
Lua MLA (9ú heag.)Streitfeld, David. "Message to Google Glass: Keep Out. IN Technology & Gadgets." Manila Bulletin, .
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