Henkes, K. (2004). Lilly's chocolate heart. Greenwillow Books / HarperFestival.
芝加哥风格引文Henkes, Kevin. Lilly's Chocolate Heart. New York: Greenwillow Books / HarperFestival, 2004.
MLA引文Henkes, Kevin. Lilly's Chocolate Heart. Greenwillow Books / HarperFestival, 2004.
警告：这些引文格式不一定是100％准确.