Muraoka made this into the most complete and up-to-date reference grammar.
But is that what a user of the Grammar as a reference grammar might want?
He authored a reference grammar of the Italian language.
Good to read, but sparse Index and brevity preclude its use as a reference grammar.
A compact reference grammar with spot-check exercises for the intermediate learner.
Coupe also has a reference grammar in progress.
A reference grammar of the language has been written by Seino van Breugel.
This more narrow definition is often applied in functionalist frameworks and traditional European reference grammars.
Now, Bagri has a reference grammar, dictionary, primers, and other reference material.
With Maurizio Dardano he has written a reference grammar of the Italian language.