Broken Hill Proprietary Company. (1980). Ok Tedi Project: Proposed lease areas. The Company.
Chicagoスタイル(17版)引用形式Broken Hill Proprietary Company. Ok Tedi Project: Proposed Lease Areas. Wollongong, N.S.W.: The Company, 1980.
MLA(9版)引用形式Broken Hill Proprietary Company. Ok Tedi Project: Proposed Lease Areas. The Company, 1980.
警告: この引用は必ずしも正確ではありません.