Cita APA

Cockel, R., Dawson, J., & Cotton, P. B. (1981). Endoscopic assessment of oesophageal disease.

Chicago Style Citation

Cockel, R., J. Dawson, i P B. Cotton. Endoscopic Assessment of Oesophageal Disease. 1981.

Cita MLA

Cockel, R., J. Dawson, i P B. Cotton. Endoscopic Assessment of Oesophageal Disease. 1981.

Atenció: Aquestes cites poden no estar 100% correctes.