Campbell, M., Elbourne, D., & Altman, D. (2004). CONSORT statement: Extension to cluster randomised trials.
Čikaški stil citiranja (17. izdanje)Campbell, M., DR Elbourne, i D. Altman. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
MLA način citiranja (9. izdanje)Campbell, M., et al. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
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