Harikumar, P. &. D. (2017). Blackwater tourism. Serials Publication.
Chicago-čujuhus (17. p.)Harikumar, P.N. & D.Susha. Blackwater Tourism. New Delhi: Serials Publication, 2017.
MLA-čujuhus (9. p.)Harikumar, P.N. & D.Susha. Blackwater Tourism. Serials Publication, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.