Monthly bulletin of statistics, Issue no. 1092, Vol. LXVI, No. 6, June 2012 Bulletin mensuel de statistique. Édition no 1092, Vol. LXVI, no 6, juin 2012 (United Nations, 2012)
At head of title: Department of Economic and Social Affairs, Statistics Division. - "ST/ESA/STAT/SER. Q/474."
Includes bibliographical references