Delhi Law House. Lal's encyclopedia on Environment Protection and Pollution Laws vol 2 (5th.). Delhi Law House.
Citazione stile Chigago Style (17a edizione)Delhi Law House. Lal's Encyclopedia on Environment Protection and Pollution Laws Vol 2. 5th. Delhi Delhi: Delhi Law House.
Citatione MLA (9a ed.)Delhi Law House. Lal's Encyclopedia on Environment Protection and Pollution Laws Vol 2. 5th. Delhi Law House.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.