APA

(1995). International Directory Of Suppliers And Dealers Of Standard Reference Materials Form Measurement Of Metals And Organics. New Delhi: Central Pollution Control Board.

Chicago

1995. International Directory Of Suppliers And Dealers Of Standard Reference Materials Form Measurement Of Metals And Organics. New Delhi: Central Pollution Control Board.

Harvard

(1995). International Directory Of Suppliers And Dealers Of Standard Reference Materials Form Measurement Of Metals And Organics. New Delhi: Central Pollution Control Board.

MLA

International Directory Of Suppliers And Dealers Of Standard Reference Materials Form Measurement Of Metals And Organics. New Delhi: Central Pollution Control Board. 1995.