Helen Paiba. (1998). Funny Stories for 7 Year Olds (First Edition.). Pan Macmillan.
芝加哥风格引文Helen Paiba. Funny Stories for 7 Year Olds. First Edition. Pan Macmillan, 1998.
MLA引文Helen Paiba. Funny Stories for 7 Year Olds. First Edition. Pan Macmillan, 1998.
警告：这些引文格式不一定是100％准确.