Dyfyniad APA

Port of Singapore Authority. (1992). Singapore port services index. FETP Business Publications.

Dyfyniad Arddull Chicago

Port of Singapore Authority. Singapore Port Services Index. Singapore: FETP Business Publications, 1992.

Dyfyniad MLA

Port of Singapore Authority. Singapore Port Services Index. FETP Business Publications, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.