(2010). The twelve dancing princesses (Graded reader level-4). Macaw Books.
芝加哥风格引文The Twelve Dancing Princesses (Graded Reader Level-4). Macaw Books, 2010.
MLA引文The Twelve Dancing Princesses (Graded Reader Level-4). Macaw Books, 2010.
警告：这些引文格式不一定是100％准确.