Prof. Cigno's Personal Page - Dipartimento di Studi sullo Stato
http://www3.unifi.it/dpstus/index.php?module=CMpro&func=viewpage&pageid=55

Center for Economic Studies (CES)
http://www.cesifo-group.de/portal/page?_pageid=36,34594&_dad=portal&_schema=PORTAL

Centre for Household, Income, Labour and Demographic economics
http://www.child-centre.it/

Institute for the Study of Labor
http://www.iza.org/

A. Cigno, F.C. Rosati, The Economics of Child Labour, Oxford U.P., 2005.
http://www.oup.co.uk/isbn/0-19-926445-7

A. Cigno, M. Werding, Children and Pensions, Cambridge (Mass), The MIT Press, 2007.
http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=11373