Arvind Kumar. (2003). Aquatic ecosystems. APH publishing corporation.
Chicago Style aipamenaArvind Kumar. Aquatic Ecosystems. New Delhi: APH publishing corporation, 2003.
MLA aipamenaArvind Kumar. Aquatic Ecosystems. APH publishing corporation, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.