是可数的，例如：
1、There is a list of references at the end of each chapter.每一章的后面都有一组参考书目。
2、The book is full of references to growing up in India.这本书谈到许多在印度怎样长大成人的事。
3、He conned his way into the job using false references.他用假的推荐信骗取了那份工作。
是可数的，例如：
1、There is a list of references at the end of each chapter.每一章的后面都有一组参考书目。
2、The book is full of references to growing up in India.这本书谈到许多在印度怎样长大成人的事。
3、He conned his way into the job using false references.他用假的推荐信骗取了那份工作。
