Sukumar, R. (1995). Elephant days and nights: Ten years with the Indian elephant. Oxford University Press.
芝加哥风格引文Sukumar, Raman. Elephant Days and Nights: Ten Years with the Indian Elephant. New Delhi: Oxford University Press, 1995.
MLA引文Sukumar, Raman. Elephant Days and Nights: Ten Years with the Indian Elephant. Oxford University Press, 1995.
警告:这些引文格式不一定是100%准确.