@book{182591,
	title = {Foreign trade statistics of Africa :},
	publisher = {United Nations.},
	year = {1975.},
	series = {[Document] - United Nations; E/CN.14/STAT/Ser. A},
	address = {New York :},
	note = {Issues no. 11-   have title: Foreign trade statistics for Africa. Series A, Direction of trade.}
}