Afnan, R. M. (1970). The revelation of Bahau'llah and the Bab. Book I - Descartes' Theory of knowledge. Philosophical Library.
芝加哥风格引文Afnan, Ruhi Muhsen. The Revelation of Bahau'llah and the Bab. Book I - Descartes' Theory of Knowledge. New York,: Philosophical Library, 1970.
MLA引文Afnan, Ruhi Muhsen. The Revelation of Bahau'llah and the Bab. Book I - Descartes' Theory of Knowledge. Philosophical Library, 1970.
警告：这些引文格式不一定是100％准确.