Walker, H. M. (1929). Studies in the history of statistical method: With special reference to certain educational problems. Williams & Wilkins.
Chicago-Zitierstil (17. Ausg.)Walker, Helen M. Studies in the History of Statistical Method: With Special Reference to Certain Educational Problems. Baltimore: Williams & Wilkins, 1929.
MLA-Zitierstil (9. Ausg.)Walker, Helen M. Studies in the History of Statistical Method: With Special Reference to Certain Educational Problems. Williams & Wilkins, 1929.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.