APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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