APA-ийн эшлэл(7 дахь хэвлэлт)

Robinson, G., Pepperell, J., Davies, R., & Stradling, J. (2003). Caffeine levels following treatment of obstructive sleep apnoea.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Robinson, G., J. Pepperell, R. Davies, ба JR Stradling. Caffeine Levels Following Treatment of Obstructive Sleep Apnoea. 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Robinson, G., et al. Caffeine Levels Following Treatment of Obstructive Sleep Apnoea. 2003.