Surigao Consolidated Mining Company, inc. Report ... 19--. s.n.
Cita Chicago (17th ed.)Surigao Consolidated Mining Company, inc. Report ... 19--. [Manila: s.n.
Cita MLA (9th ed.)Surigao Consolidated Mining Company, inc. Report ... 19--. s.n.
Atenció: Aquestes cites poden no estar 100% correctes.