Παραπομπή APA

(1971). works,machinery and rolling stock programmes of railways for 1971-72. Ministry of Railways.

Παραπομπή Chicago Style

Works,machinery and Rolling Stock Programmes of Railways for 1971-72. New Delhi: Ministry of Railways, 1971.

Παραπομπή MLA

Works,machinery and Rolling Stock Programmes of Railways for 1971-72. Ministry of Railways, 1971.