Schäfer, O. (1955). Bibliographia de vita, operibus et doctrina Iohannis Duns Scoti doctoris subtilis ac Mariani: Saec. XIX - XX. Orbis Catholicus - Herder.
芝加哥风格引文Schäfer, Odulf. Bibliographia De Vita, Operibus Et Doctrina Iohannis Duns Scoti Doctoris Subtilis Ac Mariani: Saec. XIX - XX. Romae: Orbis Catholicus - Herder, 1955.
MLA引文Schäfer, Odulf. Bibliographia De Vita, Operibus Et Doctrina Iohannis Duns Scoti Doctoris Subtilis Ac Mariani: Saec. XIX - XX. Orbis Catholicus - Herder, 1955.
警告：这些引文格式不一定是100％准确.