Chadha, A., & Pandey, S. (1981). Industrial pollution and plants. Ashish.
Dyfyniad Arddull ChicagoChadha, Ajanta, and S.N Pandey. Industrial Pollution and Plants. New Delhi: Ashish, 1981.
Dyfyniad MLAChadha, Ajanta, and S.N Pandey. Industrial Pollution and Plants. Ashish, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.