Dyfyniad APA

Peace, K. E., & Chen,Ding-Gen. (2011). Clinical trial methodology. Chapman & Hall/CRC.

Dyfyniad Arddull Chicago

Peace, Karl E., and Chen,Ding-Gen. Clinical Trial Methodology. Boca Raton: Chapman & Hall/CRC, 2011.

Dyfyniad MLA

Peace, Karl E., and Chen,Ding-Gen. Clinical Trial Methodology. Chapman & Hall/CRC, 2011.

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