APA citiranje

Douglass, A., Bramble, M. G., & Barrison, I. (2005). National survey of UK emergency endoscopy units. BMJ Publishing Group Ltd.

Citação norma Chicago

Douglass, Andrew, Michael G. Bramble, and Ian Barrison. National Survey of UK Emergency Endoscopy Units. BMJ Publishing Group Ltd, 2005.

MLA citiranje

Douglass, Andrew, Michael G. Bramble, and Ian Barrison. National Survey of UK Emergency Endoscopy Units. BMJ Publishing Group Ltd, 2005.