Singapore Shippping Association. (1975). The constitution of the Singapore Shipping Association. [s.n.
Chicagoスタイル(17版)引用形式Singapore Shippping Association. The Constitution of the Singapore Shipping Association. Singapore: [s.n, 1975.
MLA(8版)引用形式Singapore Shippping Association. The Constitution of the Singapore Shipping Association. [s.n, 1975.
警告: この引用は必ずしも正確ではありません.