Krup, R. S. (1989). Oudyogika sthitivivarangal: Official statistics. State institute of languages.
Stile di citazione ChicagoKrup, R S. Oudyogika Sthitivivarangal: Official Statistics. Thiruvananthapuram: State institute of languages, 1989.
Citazione MLAKrup, R S. Oudyogika Sthitivivarangal: Official Statistics. State institute of languages, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.