@book{6402,
	author = {Vuilleumier, Marc},
	title = {Immigrati e profughi in Svizzera},
	editor = {Stehle Druck AG},
	publisher = {Edition Pro Helvetia},
	year = {1990},
	series = {Information. Histoire},
	address = {Zurich},
	note = {Titre original en français: Immigrés et réfugiés en Suisse : Aperçu historique.}
}