C. K. Yang, Religion in Chinese Society: A Study of Contemporary Social Functions of Religion and Some of Their Historical Factors (Berkeley, CA: University of California Press, 1967), p. 22. 中譯本參見楊慶堃著,范麗珠譯:《中國社會中的宗教─宗教的現代社會功能與其歷史因素之研究》(成都:四川人民出版社,2016 年修訂版),頁 18-19。