University of the Philippines (Diliman). College of Engineering. (1999). Engineering handbook 1999. The College.
Cita Chicago (17th ed.)University of the Philippines (Diliman). College of Engineering. Engineering Handbook 1999. Quezon City: The College, 1999.
Cita MLA (9th ed.)University of the Philippines (Diliman). College of Engineering. Engineering Handbook 1999. The College, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.