Campbell, M., Elbourne, D., & Altman, D. (2004). CONSORT statement: Extension to cluster randomised trials.
芝加哥风格引文Campbell, M., DR Elbourne, 与 D. Altman. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
MLA引文Campbell, M., et al. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
警告：这些引文格式不一定是100％准确.