Não informado. Ports and Dredging & Oil Report. I.H.C. Holland.
Chicagoスタイル(17版)引用形式Não informado. Ports and Dredging & Oil Report. Rotterdam, Holanda: I.H.C. Holland.
MLA(8版)引用形式Não informado. Ports and Dredging & Oil Report. I.H.C. Holland.
警告: この引用は必ずしも正確ではありません.