Mullen, T. (1975). Parables for parents and other original sinners. Word books.
芝加哥风格引文Mullen, Tom. Parables for Parents and Other Original Sinners. Texas: Word books, 1975.
MLA引文Mullen, Tom. Parables for Parents and Other Original Sinners. Word books, 1975.
警告：这些引文格式不一定是100％准确.