APA (7th ed.) Citation

Arriola, P. M. (1991). Materials monitoring system. College of Engineering.

Chicago Style (17th ed.) Citation

Arriola, Portia M. Materials Monitoring System. Diliman, Quezon City: College of Engineering, 1991.

MLA (9th ed.) Citation

Arriola, Portia M. Materials Monitoring System. College of Engineering, 1991.