APA Alıntı

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.

Chicago Stili Alıntı

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

MLA Alıntı

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