Sukumar, R. (1995). Elephant days and nights: Ten years with the Indian elephant. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Sukumar, Raman. Elephant Days and Nights: Ten Years with the Indian Elephant. New Delhi: Oxford University Press, 1995.
Citatione MLA (9a ed.)Sukumar, Raman. Elephant Days and Nights: Ten Years with the Indian Elephant. Oxford University Press, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.