Syd Hoff. (1997). "Happy Birthday, Danny and the Dinosaur! (I Can Read Level 1)" (Reprint.). HarperCollins.
芝加哥风格引文Syd Hoff. "Happy Birthday, Danny and the Dinosaur! (I Can Read Level 1)". Reprint. HarperCollins, 1997.
MLA引文Syd Hoff. "Happy Birthday, Danny and the Dinosaur! (I Can Read Level 1)". Reprint. HarperCollins, 1997.
警告：这些引文格式不一定是100％准确.