APA

(1999). Action plan 1998-99. Lucknow: U.P. Pollution Control Board.

Chicago

1999. Action plan 1998-99. Lucknow: U.P. Pollution Control Board.

Harvard

(1999). Action plan 1998-99. Lucknow: U.P. Pollution Control Board.

MLA

Action plan 1998-99. Lucknow: U.P. Pollution Control Board. 1999.