APA

Chugh R L, Uppal J S, . (1986). Black economy in India. New Delhi: Tata McGraw-Hill Co.

Chicago

Chugh R L, Uppal J S, . 1986. Black economy in India. New Delhi: Tata McGraw-Hill Co.

Harvard

Chugh R L, Uppal J S, . (1986). Black economy in India. New Delhi: Tata McGraw-Hill Co.

MLA

Chugh R L, Uppal J S, . Black economy in India. New Delhi: Tata McGraw-Hill Co. 1986.