APA-referens (7:e uppl.)
Ramm, B. L. (1949). Problems in Christian apologetics: The mid-year lectures of 1948 Western Baptist theological seminary. Western Baptist Theological Seminary.
Chicago-referens (17:e uppl.)
Ramm, Bernard L. Problems in Christian Apologetics: The Mid-year Lectures of 1948 Western Baptist Theological Seminary. Portland, Oregon: Western Baptist Theological Seminary, 1949.
MLA-referens (9:e uppl.)
Ramm, Bernard L. Problems in Christian Apologetics: The Mid-year Lectures of 1948 Western Baptist Theological Seminary. Western Baptist Theological Seminary, 1949.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.