APA引文

Sarah Courtauld. (2019). "Frogs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne.

Chicago Style (17th ed.) Citation

Sarah Courtauld. "Frogs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.

MLA引文

Sarah Courtauld. "Frogs (First Reading Level 3) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.

警告：這些引文格式不一定是100％准確.