Harikumar, P. &. D. (2017). Blackwater tourism. Serials Publication.
芝加哥风格引文Harikumar, P.N. & D.Susha. Blackwater Tourism. New Delhi: Serials Publication, 2017.
MLA引文Harikumar, P.N. & D.Susha. Blackwater Tourism. Serials Publication, 2017.
警告：这些引文格式不一定是100％准确.