APA (7th ed.) Zitazioa
Machin, D., & Campbell, M. J. (2010). Randomized clinical trials: Design, practice, and reporting. John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Machin, David, eta Michael J. Campbell. Randomized Clinical Trials: Design, Practice, and Reporting. Chichester, West Sussex ; Hoboken, NJ: John Wiley & Sons, 2010.
MLA (9th ed.) Zitazioa
Machin, David, eta Michael J. Campbell. Randomized Clinical Trials: Design, Practice, and Reporting. John Wiley & Sons, 2010.
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