Campbell, M., Elbourne, D., & Altman, D. (2004). CONSORT statement: Extension to cluster randomised trials.
Chicago-čujuhus (17. p.)Campbell, M., DR Elbourne, juo D. Altman. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
MLA-čujuhus (9. p.)Campbell, M., et al. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.