Outka, G. (1972). Agape: An ethical analysis Yale publications in religion.
芝加哥风格引文Outka, Gene. "Agape: An Ethical Analysis." Yale Publications in Religion 1972.
MLA引文Outka, Gene. "Agape: An Ethical Analysis." Yale Publications in Religion, 1972.
警告：这些引文格式不一定是100％准确.
