Gregory, B. C. (2010). Like an everlasting signet ring: Generosity in the book of Sirach. De Gruyter.
芝加哥风格引文Gregory, Bradley C. Like an Everlasting Signet Ring: Generosity in the Book of Sirach. Berlin ; New York: De Gruyter, 2010.
MLA引文Gregory, Bradley C. Like an Everlasting Signet Ring: Generosity in the Book of Sirach. De Gruyter, 2010.
警告：这些引文格式不一定是100％准确.