Koenig, H. G. (2006). Kindness and joy: Expressing the gentle love. Templeton Foundation Press.
芝加哥风格引文Koenig, Harold G. Kindness and Joy: Expressing the Gentle Love. Philadelphia: Templeton Foundation Press, 2006.
MLA引文Koenig, Harold G. Kindness and Joy: Expressing the Gentle Love. Templeton Foundation Press, 2006.
警告：这些引文格式不一定是100％准确.