Harnack, A. (1957). What is Christianity? Harper & Brothers.
Chicago Style (17th ed.) CitationHarnack, Adolf. What Is Christianity? New York: Harper & Brothers, 1957.
ציטוט MLAHarnack, Adolf. What Is Christianity? Harper & Brothers, 1957.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.