@book{21169,
	author = {Whiting, D. P. and Tong, Yiping},
	title = {Finance of foreign trade and foreign exchange /},
	publisher = {Macdonald and Evans,},
	year = {1977.},
	address = {Estover :},
	edition = {3rd},
	note = {3rd ed. originally published: 1976.}
}