Metals Industry Research and Development Center. (1976). Nonferrous metals industry of the Philippines. MIRDC.
Cita Chicago (17th ed.)Metals Industry Research and Development Center. Nonferrous Metals Industry of the Philippines. [Manilan]: MIRDC, 1976.
Cita MLA (9th ed.)Metals Industry Research and Development Center. Nonferrous Metals Industry of the Philippines. MIRDC, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.