these are the sounds found in most native Sardinian dialects:
there are also sounds not on the chart

Other sounds:

labio-velar voiced central approximant /w/
pronunciation of sounds may vary across regional dialects
not all sounds exist in all regional dialects

(from: Blasco Ferrer, E. 1986. La Lingua Sarda Contemporanea. Cagliari: Della Torre.
Contini, I. 1987. Etude de Geographie Phonetique et de Phonetique Instrumentale du Sarde. Alessandria: Edizioni dell'Orso.
Pittau, M. 1972. Grammatica del Sardo-Nuorese. Bologna: Casa Editrice.)