APA aipamena

Bunyi, P., Cabulisan, L., Castro, A. M., & Marbil, A. (1991). Evaluation of the maintenance system and electricity conservation program of Melchor Hall. College of Engineering.

Chicago Style aipamena

Bunyi, Perlyn, Lala Cabulisan, Antonio M. Castro, and Angie Marbil. Evaluation of the Maintenance System and Electricity Conservation Program of Melchor Hall. Diliman, Quezon City: College of Engineering, 1991.

MLA aipamena

Bunyi, Perlyn, et al. Evaluation of the Maintenance System and Electricity Conservation Program of Melchor Hall. College of Engineering, 1991.