APA aipamena

Cook, J., Hislop, J., Altman, D., Briggs, A., Fayers, P., Norrie, J., . . . Vale, L. (2014). Use of methods for specifying the target difference in randomised controlled trial sample size calculations: Two surveys of trialists' practice. SAGE Publications.

Chicago Style aipamena

Cook, J., J. Hislop, D. Altman, A. Briggs, P. Fayers, J. Norrie, C. Ramsay, I. Harvey, and L. Vale. Use of Methods for Specifying the Target Difference in Randomised Controlled Trial Sample Size Calculations: Two Surveys of Trialists' Practice. SAGE Publications, 2014.

MLA aipamena

Cook, J., et al. Use of Methods for Specifying the Target Difference in Randomised Controlled Trial Sample Size Calculations: Two Surveys of Trialists' Practice. SAGE Publications, 2014.