APA-viite

Krishnakumar, P. K. (1987). Physiological effects of some heavy metals on Perna Viridis(Linnaeus). Dept of Marine Sciences.

Chicago-tyylinen lähdeviittaus

Krishnakumar, P K. Physiological Effects of Some Heavy Metals on Perna Viridis(Linnaeus). Cochin: Dept of Marine Sciences, 1987.

MLA-viite

Krishnakumar, P K. Physiological Effects of Some Heavy Metals on Perna Viridis(Linnaeus). Dept of Marine Sciences, 1987.