Style de citation APA (7e éd.)
(1981). Bulletin of statistics on world trade in engineering products 1979. United Nations.
Style de citation Chicago (17e éd.)
Bulletin of Statistics on World Trade in Engineering Products 1979. New York: United Nations, 1981.
Style de citation MLA (9e éd.)
Bulletin of Statistics on World Trade in Engineering Products 1979. United Nations, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.