San Agustin, M. A. (1985). A Study on the maintenance policy of Polyware Philippines, Inc. UP College of Engineering.
Cita Chicago (17th ed.)San Agustin, Maria Aurora. A Study on the Maintenance Policy of Polyware Philippines, Inc. Quezon City: UP College of Engineering, 1985.
Cita MLA (9th ed.)San Agustin, Maria Aurora. A Study on the Maintenance Policy of Polyware Philippines, Inc. UP College of Engineering, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.