Drakeford, J. W. (1986). Humor in preaching. Ministry Resources Library.
芝加哥风格引文Drakeford, John W. Humor in Preaching. Grand Rapids, MI: Ministry Resources Library, 1986.
MLA引文Drakeford, John W. Humor in Preaching. Ministry Resources Library, 1986.
警告：这些引文格式不一定是100％准确.