Dobson, R. (2005). Study of doctors' smoking habits shows links to 11 types of cancer. BMJ.
Chicago-стиль цитированияDobson, Roger. "Study of Doctors' Smoking Habits Shows Links to 11 Types of Cancer." BMJ 2005.
MLA-цитированиеDobson, Roger. "Study of Doctors' Smoking Habits Shows Links to 11 Types of Cancer." BMJ 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.