(1990). Population projections: Trends, methods and uses ; University of Liverpool, 12-14 September 1990 ; conference papers (1. publ.). OPCS.
Chicago-Zitierstil (17. Ausg.)Population Projections: Trends, Methods and Uses ; University of Liverpool, 12-14 September 1990 ; Conference Papers. 1. publ. London: OPCS, 1990.
MLA-Zitierstil (9. Ausg.)Population Projections: Trends, Methods and Uses ; University of Liverpool, 12-14 September 1990 ; Conference Papers. 1. publ. OPCS, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.