Cita APA

Hubbard, R. (2006). The burden of lung disease. BMJ Group.

Chicago Style Citation

Hubbard, R. The Burden of Lung Disease. BMJ Group, 2006.

Cita MLA

Hubbard, R. The Burden of Lung Disease. BMJ Group, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.