APA

Lal Deepak,, . (2001). UNEP's crusae against DDT. : Business Standard.

Chicago

Lal Deepak,, . 2001. UNEP's crusae against DDT. : Business Standard.

Harvard

Lal Deepak,, . (2001). UNEP's crusae against DDT. : Business Standard.

MLA

Lal Deepak,, . UNEP's crusae against DDT. : Business Standard. 2001.