APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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