Cita APA

Bethune, N. (1936). Some New Thoracic Surgical Instruments.

Chicago Style Citation

Bethune, Norman. Some New Thoracic Surgical Instruments. 1936.

Cita MLA

Bethune, Norman. Some New Thoracic Surgical Instruments. 1936.

Atenció: Aquestes cites poden no estar 100% correctes.