Cita APA (7th ed.)

Del Rosario, J. G. R & D information systems and technology. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Del Rosario, Jaime G. "R & D Information Systems and Technology." Philippine Engineering Journal .

Cita MLA (9th ed.)

Del Rosario, Jaime G. "R & D Information Systems and Technology." Philippine Engineering Journal, .