Cita APA (7th ed.)

Portus, L. M. (2015). Internet literacy: Levels of literacy among selected Filipinos across economic classes. Plaridel.

Cita Chicago (17th ed.)

Portus, Lourdes M. "Internet Literacy: Levels of Literacy Among Selected Filipinos Across Economic Classes." Plaridel 2015.

Cita MLA (9th ed.)

Portus, Lourdes M. "Internet Literacy: Levels of Literacy Among Selected Filipinos Across Economic Classes." Plaridel, 2015.