This article at zh WP is in category CS1英文来源...any ideas? What is CS1? Hongthay (talk) 18:56, 18 November 2016 (UTC)
- This is a tracking maintenance category for entries using w:zh:Help:引文格式1 - CS1 stands for 'Citation Style 1'. Wyang (talk) 19:51, 18 November 2016 (UTC)