It was very conveniently situated just across the road from the City Reference Library.

它所处位置非常便利，就在市参考图书馆的马路对面。

Libpng, the official PNG reference library.

官方的PNG参考实现库。

Libjpeg, the official jpeg reference library.

官方的JPEG参考实现库。

Law of the sea reference library collection;

海洋法资料收集图书馆；

Readers must not take away books in the reference library.

读者不得拿走“参考书阅览室”里的书。