APA ציטוט

Tilley, C., Crawford, F., Clarkson, J., Pitts, N., & McCann, M. (2005). What's the evidence that NICE guidance has been implemented?: Analysis is subject to confounding. BMJ Publishing Group Ltd.

Citação norma Chicago

Tilley, Colin, Fay Crawford, Jan Clarkson, Nigel Pitts, and Mary McCann. What's the Evidence That NICE Guidance Has Been Implemented?: Analysis Is Subject to Confounding. BMJ Publishing Group Ltd, 2005.

ציטוט MLA

Tilley, Colin, et al. What's the Evidence That NICE Guidance Has Been Implemented?: Analysis Is Subject to Confounding. BMJ Publishing Group Ltd, 2005.