APA-viite (7. p.)
Barr, R., & preface by Jean Danielou. (1966). Main current in early christian thought. Paulist press.
Chicago-viite (17. p.)
Barr, Robert, ja preface by Jean Danielou. Main Current in Early Christian Thought. Glen rock: Paulist press, 1966.
MLA-viite (9. p.)
Barr, Robert, ja preface by Jean Danielou. Main Current in Early Christian Thought. Paulist press, 1966.
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