Cita APA (7a ed.)
(1981). Bulletin of statistics on world trade in engineering products 1979. United Nations.
Cita Chicago Style (17a ed.)
Bulletin of Statistics on World Trade in Engineering Products 1979. New York: United Nations, 1981.
Cita MLA (9a ed.)
Bulletin of Statistics on World Trade in Engineering Products 1979. United Nations, 1981.
Precaución: Estas citas no son 100% exactas.