Lua APA (7ú heag.)

Cinco, E. B. (2009). IBM in midst of controversy. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Cinco, Elinando B. "IBM in Midst of Controversy." Manila Bulletin 2009.

Lua MLA (9ú heag.)

Cinco, Elinando B. "IBM in Midst of Controversy." Manila Bulletin, 2009.

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