Negi, S. (1991). Handbook of national parks sanctuaries and biosphere reserves in India. Indus Publishing.
Style de citation Chicago (17e éd.)Negi, S.S. Handbook of National Parks Sanctuaries and Biosphere Reserves in India. New Delhi: Indus Publishing, 1991.
Style de citation MLA (9e éd.)Negi, S.S. Handbook of National Parks Sanctuaries and Biosphere Reserves in India. Indus Publishing, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.