reference literature room 文献资料阅览室
literature and history reference book 文史工具书
literature reference 文献参考咨询
No reference to their existence appears in any literature of the period.
该时期的任何文献中都没有提及他们的存在。
Then, by making direct reference to your literature review, you must demonstrate that your question (a) has not been previously answered, and (b) is worth answering.
然后，对你的文献回顾做出清晰的参考书目，你必须表明你的问题(a)以前没有被回答过，(b)它的知道回答的。
However, the concept of order provided a frame of reference for literature.
然而，秩序的概念提供了对文学的参照系。
应用推荐