Ogburn, W. F. (1968). Progress and uniformity in child-labor legislation: A study in statistical measurement (Reprint [of the ed.] New York: Columbia Univ. Press 1912.). AMS Press.
Chicago-Zitierstil (17. Ausg.)Ogburn, William Fielding. Progress and Uniformity in Child-labor Legislation: A Study in Statistical Measurement. Reprint [of the ed.] New York: Columbia Univ. Press 1912. New York: AMS Press, 1968.
MLA-Zitierstil (9. Ausg.)Ogburn, William Fielding. Progress and Uniformity in Child-labor Legislation: A Study in Statistical Measurement. Reprint [of the ed.] New York: Columbia Univ. Press 1912. AMS Press, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.