Arnold Lobel. (1986). Grasshopper on the Road (I Can Read Level 2) (Reprint.). HarperCollins.
芝加哥风格引文Arnold Lobel. Grasshopper on the Road (I Can Read Level 2). Reprint. HarperCollins, 1986.
MLA引文Arnold Lobel. Grasshopper on the Road (I Can Read Level 2). Reprint. HarperCollins, 1986.
警告:这些引文格式不一定是100%准确.