Santiago, R. S. (1988). The planning of LRT for Metro Manila. Philippine Engineering Journal.
Cita Chicago (17th ed.)Santiago, Rene S. "The Planning of LRT for Metro Manila." Philippine Engineering Journal 1988.
Cita MLA (9th ed.)Santiago, Rene S. "The Planning of LRT for Metro Manila." Philippine Engineering Journal, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.