Surigao Consolidated Mining Company, inc. Report ... 19--. s.n.
Chicagoスタイル(17版)引用形式Surigao Consolidated Mining Company, inc. Report ... 19--. [Manila: s.n.
MLA(9版)引用形式Surigao Consolidated Mining Company, inc. Report ... 19--. s.n.
警告: この引用は必ずしも正確ではありません.