https://www.cambridge.org/core/books/interlanguage-grammars-of-mandarin-chinese/EDB5086242394F7F97528CB5B4FFB73D
Interlanguage Grammars of Mandarin Chinese
Cambridge Core - Asian Studies - Interlanguage Grammars of Mandarin Chinese
mandarin chinesegrammars
https://slaviccenters.duke.edu/projects/grammars
Reference Grammars | CSEEES & SEELRC
Reference Grammar Network
reference grammars