Peto, R., Collins, R., & Gray, R. (1995). Large-scale randomized evidence: Large, simple trials and overviews of trials.
Čikaški stil citiranja (17. izdanje)Peto, R., R. Collins, i R. Gray. Large-scale Randomized Evidence: Large, Simple Trials and Overviews of Trials. 1995.
MLA način citiranja (9. izdanje)Peto, R., et al. Large-scale Randomized Evidence: Large, Simple Trials and Overviews of Trials. 1995.
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