Cita APA

Jones, A. P., Gamble, C., Clarke, M., & Williamson, P. R. (2011). The use of systematic reviews in the design of randomised trials. BioMed Central.

Chicago Style Citation

Jones, Ashley P., Carrol Gamble, Mike Clarke, i Paula R. Williamson. The Use of Systematic Reviews in the Design of Randomised Trials. BioMed Central, 2011.

Cita MLA

Jones, Ashley P., Carrol Gamble, Mike Clarke, i Paula R. Williamson. The Use of Systematic Reviews in the Design of Randomised Trials. BioMed Central, 2011.