A complicating factor has been the continuing lack of specialized one-volume reference works on Asian Americans, such as biographical dictionaries or desktop encyclopedias.

一个复杂的因素是，一直缺乏专门针对亚裔美国人的一卷参考著作，如传记词典或台式百科全书。

youdao

Surely reference works need to be compiled by experts?

参考书一定要由专家编写么？

youdao

The site should identify the evidence that supports a position including references to published studies and reference works.

网站应识别支持某种立场的证据，包括相关的参考文献和已发表的研究以及著作。

youdao

Users can also peruse more than 150 supplementary texts, ranging from reference works to contemporary reviews of Darwin's books, obituaries and recollections.

BBC: NEWS | Science/Nature | Charles Darwin's works go online

He saw these drawings as documentary and reference material, not as works of art.

WSJ: Ancient Modernism | 'Louis Kahn: The Power of Architecture' | Vitra Design Museum, Germany | By Colin Amery

Its third great achievement is the breadth and thoroughness of its reference, thousands of entries on writers and their works which combine authority and detail with insight.

ECONOMIST: Fantasists