Saowalak Wongnoppharalert. 1993. Nam Sod Khmu syntactic structure : a study in tagmemics, transformational and case grammar. Faculty of Graduate Studies, Mahidol University;
Saowalak Wongnoppharalert. (1993) Nam Sod Khmu syntactic structure : a study in tagmemics, transformational and case grammar . Mahidol University/Bangkok.
Saowalak Wongnoppharalert. Nam Sod Khmu syntactic structure : a study in tagmemics, transformational and case grammar. . Bangkok:Mahidol University, 1993.
Saowalak Wongnoppharalert. (1993) Nam Sod Khmu syntactic structure : a study in tagmemics, transformational and case grammar . Mahidol University/Bangkok.