Port of Singapore Authority. (1995). Singapore maritime directory. Times Trade Directories Pte. Ltd..
Chicagoスタイル(17版)引用形式Port of Singapore Authority. Singapore Maritime Directory. Singapore: Times Trade Directories Pte. Ltd., 1995.
MLA(8版)引用形式Port of Singapore Authority. Singapore Maritime Directory. Times Trade Directories Pte. Ltd., 1995.
警告: この引用は必ずしも正確ではありません.