APA-viite

Gopakumar, G. (1991). Studies on the effect of hydrogen sulphide on the panaeid prawns of Kayamkulam lake, south west coast of India. Marine products export development authority.

Chicago-tyylinen lähdeviittaus

Gopakumar, G. Studies on the Effect of Hydrogen Sulphide on the Panaeid Prawns of Kayamkulam Lake, South West Coast of India. Kochi: Marine products export development authority, 1991.

MLA-viite

Gopakumar, G. Studies on the Effect of Hydrogen Sulphide on the Panaeid Prawns of Kayamkulam Lake, South West Coast of India. Marine products export development authority, 1991.