411 REFERENCE · Wikibooks
Pinyin/Chairman Mao
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
See also
Pinyin#Pinyin tone marking
Maor zhuuxir
411 REFERENCE · Wikibooks
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.