APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Onakpoya, I., R. Terry, ба 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 -ийн эшлэл (9 дэх хэвлэлт)

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.