(1999). Annual report: UP Engineering Research and Development Foundation, Inc. UP Engineering Research and Development Foundation, Inc.
Cita Chicago (17th ed.)Annual Report: UP Engineering Research and Development Foundation, Inc. Quezon City: UP Engineering Research and Development Foundation, Inc, 1999.
Cita MLA (9th ed.)Annual Report: UP Engineering Research and Development Foundation, Inc. UP Engineering Research and Development Foundation, Inc, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.