Duncan, S. (2007). Contemporary philosophy of religion. Humanities-Ebooks.
芝加哥风格引文Duncan, Steven. Contemporary Philosophy of Religion. Tirril [England]: Humanities-Ebooks, 2007.
MLA引文Duncan, Steven. Contemporary Philosophy of Religion. Humanities-Ebooks, 2007.
警告：这些引文格式不一定是100％准确.