Third international safety conference. (1975). Hazards in tunnelling and on falsework. Institution of civil engineers.
শিকাগো স্টাইলে সাইটেশনThird international safety conference. Hazards in Tunnelling and on Falsework. London: Institution of civil engineers, 1975.
এমএলএ সাইটেশনThird international safety conference. Hazards in Tunnelling and on Falsework. Institution of civil engineers, 1975.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.