World Health Organization, WHO Regional Office for South-East Asia. (2006). Manual on tobacco control in schools. World Health Organization, WHO Regional Office for South-East Asia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization, WHO Regional Office for South-East Asia. Manual on Tobacco Control in Schools. New Delhi: World Health Organization, WHO Regional Office for South-East Asia, 2006.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization, WHO Regional Office for South-East Asia. Manual on Tobacco Control in Schools. World Health Organization, WHO Regional Office for South-East Asia, 2006.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.