Seaton, A. (1989). Crofton and Douglas's Respiratory Diseases. Blakwell Scientific Publications.
Cita Chicago (17th ed.)Seaton, Anthony. Crofton and Douglas's Respiratory Diseases. Massachusetts: Blakwell Scientific Publications, 1989.
Cita MLA (9th ed.)Seaton, Anthony. Crofton and Douglas's Respiratory Diseases. Blakwell Scientific Publications, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.