APA
(1980). Hydrogeology of Noyil Basin: SIDA assisted ground water project in Noyil, Ponnani and Amaravthi river basins, Tamil Nadu and Kerala states Report 1:19. Coimbatore: Central ground water board ministry of irrigation.
Chicago
1980. Hydrogeology of Noyil Basin: SIDA assisted ground water project in Noyil, Ponnani and Amaravthi river basins, Tamil Nadu and Kerala states Report 1:19. Coimbatore: Central ground water board ministry of irrigation.
Harvard
(1980). Hydrogeology of Noyil Basin: SIDA assisted ground water project in Noyil, Ponnani and Amaravthi river basins, Tamil Nadu and Kerala states Report 1:19. Coimbatore: Central ground water board ministry of irrigation.
MLA
Hydrogeology of Noyil Basin: SIDA assisted ground water project in Noyil, Ponnani and Amaravthi river basins, Tamil Nadu and Kerala states Report 1:19. Coimbatore: Central ground water board ministry of irrigation. 1980.