VIELROSE, E. (1965). Elements of the natural movement of: Population. Pergamon.
Chicagoスタイル(17版)引用形式VIELROSE, Egon. Elements of the Natural Movement of: Population. Oxford: Pergamon, 1965.
MLA(9版)引用形式VIELROSE, Egon. Elements of the Natural Movement of: Population. Pergamon, 1965.
警告: この引用は必ずしも正確ではありません.