Παραπομπή APA

Central board for workers education. (1967). How to prevent accident. Kapur printing press.

Παραπομπή Chicago Style

Central board for workers education. How to Prevent Accident. Delhi: Kapur printing press, 1967.

Παραπομπή MLA

Central board for workers education. How to Prevent Accident. Kapur printing press, 1967.