APA

International labor office G., . (1936). World statistics of aliens: a comparative study of census returns, 1910-1920-1930. Geneva: .

Chicago

International labor office Geneva, . 1936. World statistics of aliens: a comparative study of census returns, 1910-1920-1930. Geneva: .

Harvard

International labor office G., . (1936). World statistics of aliens: a comparative study of census returns, 1910-1920-1930. Geneva: .

MLA

International labor office Geneva, . World statistics of aliens: a comparative study of census returns, 1910-1920-1930. Geneva: . 1936.