Negi, S. (1993). Biodiversity and its conservation in India. Indus publishing.
Παραπομπή Chicago StyleNegi, S.S. Biodiversity and Its Conservation in India. New Delhi: Indus publishing, 1993.
Παραπομπή MLANegi, S.S. Biodiversity and Its Conservation in India. Indus publishing, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.