APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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