Bautista & Lirios, C. (1991). The Photocopy service system in the College of Engineering. College of Engineering.
Citazione stile Chigago Style (17a edizione)Bautista e Chit Lirios. The Photocopy Service System in the College of Engineering. Diliman, Quezon City: College of Engineering, 1991.
Citatione MLA (9a ed.)Bautista e Chit Lirios. The Photocopy Service System in the College of Engineering. College of Engineering, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.