Sinha, R.K. (May–Aug 2004). "THE IRRAWADDY DOLPHINS ORCAELLA OF CHILIKA LAGOON, INDIA'"(PDF). Journal of the Bombay Natural History Society. 101 ((2)). Mumbai, India: online edition: Environmental Information System (ENVIS), Annamalai University, Centre of Advanced Study in Marine Biology, Parangipettai - 608 502, Tamil Nadu, India: 244–251. Diarsipkan dari asli(PDF) tanggal 2009-04-10. Diakses tanggal 2013-09-26. Pemeliharaan CS1: Format tanggal (link)
Sinha, R.K. (May–Aug 2004). "THE IRRAWADDY DOLPHINS ORCAELLA OF CHILIKA LAGOON, INDIA'"(PDF). Journal of the Bombay Natural History Society. 101 ((2)). Mumbai, India: online edition: Environmental Information System (ENVIS), Annamalai University, Centre of Advanced Study in Marine Biology, Parangipettai - 608 502, Tamil Nadu, India: 244–251. Diarsipkan dari asli(PDF) tanggal 2009-04-10. Diakses tanggal 2013-09-26. Pemeliharaan CS1: Format tanggal (link)