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Gaya APA
Friedman, T, L.(2006).The World is Flat: Sejarah Ringkas Abad Ke-21 .Jakarta:Dian Rakyat.
Gaya MLA
Friedman, Thomas, L.."The World is Flat: Sejarah Ringkas Abad Ke-21".Jakarta:Dian Rakyat,2006.Text.