APA (7e ed.) Bronvermelding

Bautista & Lirios, C. (1991). The Photocopy service system in the College of Engineering. College of Engineering.

Chicago (17e ed.) Bronvermelding

Bautista en Chit Lirios. The Photocopy Service System in the College of Engineering. Diliman, Quezon City: College of Engineering, 1991.

MLA (9e ed.) Bronvermelding

Bautista en Chit Lirios. The Photocopy Service System in the College of Engineering. College of Engineering, 1991.