APA সাইটেশন

Tiffin, N. H. (2015). Why do we still permit tobacco use? Can J Respir Ther.

শিকাগো স্টাইলে সাইটেশন

Tiffin, Norman H. "Why Do We Still Permit Tobacco Use?" Can J Respir Ther 2015.

এমএলএ সাইটেশন

Tiffin, Norman H. "Why Do We Still Permit Tobacco Use?" Can J Respir Ther 2015.