UN. (1984). Commodity Trade (By Sea) Statistics: 1981 Maritime Transport Study: Analysis By Type Of Goods Moved During1978-1981 Between Regions Of The World (1. Edisyon.). UN.DIESA.
Chicago Style (17th ed.) CitationUN. Commodity Trade (By Sea) Statistics: 1981 Maritime Transport Study: Analysis By Type Of Goods Moved During1978-1981 Between Regions Of The World. 1. Edisyon. New York: UN.DIESA, 1984.
MLA (9th ed.) CitationUN. Commodity Trade (By Sea) Statistics: 1981 Maritime Transport Study: Analysis By Type Of Goods Moved During1978-1981 Between Regions Of The World. 1. Edisyon. UN.DIESA, 1984.
Warning: These citations may not always be 100% accurate.