Lydall, G. O. E. (1926). A Practical guide to precis writing and indexing. Macdonald & Evans.
芝加哥风格引文Lydall, G. O. E. A Practical Guide to Precis Writing and Indexing. Lond.: Macdonald & Evans, 1926.
MLA引文Lydall, G. O. E. A Practical Guide to Precis Writing and Indexing. Macdonald & Evans, 1926.
警告：这些引文格式不一定是100％准确.