Cita APA (7a ed.)

Port of Singapore Authority. (1995). Singapore maritime directory. Times Trade Directories Pte. Ltd..

Cita Chicago Style (17a ed.)

Port of Singapore Authority. Singapore Maritime Directory. Singapore: Times Trade Directories Pte. Ltd., 1995.

Cita MLA (8a ed.)

Port of Singapore Authority. Singapore Maritime Directory. Times Trade Directories Pte. Ltd., 1995.