Backström, J. (2007). The fear of openness: An essay on friendship and the roots of morality. Åbo Akademis Förl.
芝加哥风格引文Backström, Joel. The Fear of Openness: An Essay on Friendship and the Roots of Morality. Åbo: Åbo Akademis Förl, 2007.
MLA引文Backström, Joel. The Fear of Openness: An Essay on Friendship and the Roots of Morality. Åbo Akademis Förl, 2007.
警告：这些引文格式不一定是100％准确.