(1949). Population census methods.
Chicagoスタイル(17版)引用形式Population Census Methods. Lake Success, N.Y, 1949.
MLA(8版)引用形式Population Census Methods. 1949.
警告: この引用は必ずしも正確ではありません.
(1949). Population census methods.
Chicagoスタイル(17版)引用形式Population Census Methods. Lake Success, N.Y, 1949.
MLA(8版)引用形式Population Census Methods. 1949.