Feria, C. M. (2009). Introduction to information technology and openoffice.org. New Day Pub.
Citazione stile Chigago Style (17a edizione)Feria, Charmagne Muñoz. Introduction to Information Technology and Openoffice.org. Quezon City: New Day Pub, 2009.
Citatione MLA (9a ed.)Feria, Charmagne Muñoz. Introduction to Information Technology and Openoffice.org. New Day Pub, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.