APA

,, . (1997). Pocket book of labour statistics 1997. Shimla: Ministry of Labour Government of India.

Chicago

,, . 1997. Pocket book of labour statistics 1997. Shimla: Ministry of Labour Government of India.

Harvard

,, . (1997). Pocket book of labour statistics 1997. Shimla: Ministry of Labour Government of India.

MLA

,, . Pocket book of labour statistics 1997. Shimla: Ministry of Labour Government of India. 1997.