Howick, J. (2009). Questioning the methodologic superiority of 'placebo' over 'active' controlled trials.
芝加哥风格引文Howick, J. Questioning the Methodologic Superiority of 'Placebo' over 'Active' Controlled Trials. 2009.
MLA引文Howick, J. Questioning the Methodologic Superiority of 'Placebo' over 'Active' Controlled Trials. 2009.
警告：这些引文格式不一定是100％准确.