Metals Industry Research & Development Center. (1973). Philippine metal casting industry. [s.n.].
Cita Chicago (17th ed.)Metals Industry Research & Development Center. Philippine Metal Casting Industry. [Manilan]: [s.n.], 1973.
Cita MLA (9th ed.)Metals Industry Research & Development Center. Philippine Metal Casting Industry. [s.n.], 1973.
Atenció: Aquestes cites poden no estar 100% correctes.