APA
Seminar on Fertiliser Agriculture and National Economy (1989 : New Delhi), . (1990). Seminar on Fertiliser Agriculture and National Economy; Proceedings. Delhi: Fertiliser Association of India India.
Chicago
Seminar on Fertiliser Agriculture and National Economy (1989 : New Delhi), . 1990. Seminar on Fertiliser Agriculture and National Economy; Proceedings. Delhi: Fertiliser Association of India India.
Harvard
Seminar on Fertiliser Agriculture and National Economy (1989 : New Delhi), . (1990). Seminar on Fertiliser Agriculture and National Economy; Proceedings. Delhi: Fertiliser Association of India India.
MLA
Seminar on Fertiliser Agriculture and National Economy (1989 : New Delhi), . Seminar on Fertiliser Agriculture and National Economy; Proceedings. Delhi: Fertiliser Association of India India. 1990.