Lua APA (7ú heag.)

Guevarra, A. (2003). E-mature. IN E-mail [column]. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Guevarra, Argee. "E-mature. IN E-mail [column]." Philippine Star 2003.

Lua MLA (9ú heag.)

Guevarra, Argee. "E-mature. IN E-mail [column]." Philippine Star, 2003.

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