Metal Industry Research and Development Center. (1974). Metalworking industry of the Philippines. [s.n.].
Cita Chicago (17th ed.)Metal Industry Research and Development Center. Metalworking Industry of the Philippines. [Pasig, Rizal]: [s.n.], 1974.
Cita MLA (9th ed.)Metal Industry Research and Development Center. Metalworking Industry of the Philippines. [s.n.], 1974.
Atenció: Aquestes cites poden no estar 100% correctes.