Bock, E. C. (1977). Wilhelm von Ketteler, Bishop of Mainz: His life, times and ideas. University Press of America.
Chicago Style (17th ed.) CitationBock, Edward C. Wilhelm Von Ketteler, Bishop of Mainz: His Life, Times and Ideas. Washington, D.C.: University Press of America, 1977.
ציטוט MLABock, Edward C. Wilhelm Von Ketteler, Bishop of Mainz: His Life, Times and Ideas. University Press of America, 1977.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.