Onakpoya, I., Terry, R., & Ernst, E. (2011). The use of green coffee extract as a weight loss supplement: A systematic review and meta-analysis of randomised clinical trials.
芝加哥风格引文Onakpoya, I., R. Terry, 与 E. Ernst. The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-analysis of Randomised Clinical Trials. 2011.
MLA引文Onakpoya, I., et al. The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-analysis of Randomised Clinical Trials. 2011.
警告：这些引文格式不一定是100％准确.