NANCY PARKER. (2019). "Bugs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne.
芝加哥风格引文NANCY PARKER. "Bugs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.
MLA引文NANCY PARKER. "Bugs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.
警告：这些引文格式不一定是100％准确.