Tietueen sitaatit
APA-viiteUnited Nations Population Fund, United Nations. Economic Commission for Europe, Carrilho, M. J., & Magalhães, G. (2000). Fertility and family surveys in countries of the ECE region: Standard country report. Portugal. United Nations.
Chicago-tyylinen lähdeviittausUnited Nations Population Fund, United Nations. Economic Commission for Europe, Maria José Carrilho, ja Graça Magalhães. Fertility and Family Surveys in Countries of the ECE Region: Standard Country Report. Portugal. New York [N.Y.] ; Geneva: United Nations, 2000.
MLA-viiteUnited Nations Population Fund, et al. Fertility and Family Surveys in Countries of the ECE Region: Standard Country Report. Portugal. United Nations, 2000.
Harvard-tyylinen lähdeviittausUnited Nations Population Fund, United Nations. Economic Commission for Europe, Carrilho, M. J. & Magalhães, G. 2000. Fertility and family surveys in countries of the ECE region: Standard country report. Portugal. New York [N.Y.] ; Geneva: United Nations.