Pillai, S. (1991). Siddha system of thathwa Shastra: Specific faculties. Siddha Medical Literature Research Centre.
Citazione stile Chigago Style (17a edizione)Pillai, S.Chidambarathanu. Siddha System of Thathwa Shastra: Specific Faculties. Madras: Siddha Medical Literature Research Centre, 1991.
Citatione MLA (9a ed.)Pillai, S.Chidambarathanu. Siddha System of Thathwa Shastra: Specific Faculties. Siddha Medical Literature Research Centre, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.