(1949). Population census methods.
Chicago-Zitierstil (17. Ausg.)Population Census Methods. Lake Success, N.Y, 1949.
MLA-Zitierstil (8. Ausg.)Population Census Methods. 1949.
警告:这些引文格式不一定是100%准确.
(1949). Population census methods.
Chicago-Zitierstil (17. Ausg.)Population Census Methods. Lake Success, N.Y, 1949.
MLA-Zitierstil (8. Ausg.)Population Census Methods. 1949.