Não informado. Population Reports. George Washington University, Department of Medical and Public Affairs.
Chicagoスタイル(17版)引用形式Não informado. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs.
MLA(8版)引用形式Não informado. Population Reports. George Washington University, Department of Medical and Public Affairs.
警告: この引用は必ずしも正確ではありません.