Zheng, B., Lin, L., Yu, C., Lyu, J., Guo, Y., Bian, Z., . . . Group, C. K. B. C. (2017). 中国成年人睡眠时长、午睡与失眠症状的分布及关联研究 [Distributions and associations between duration of sleep, daytime naps and insomnia symptoms among Chinese adults]. Zhonghua Yixuehui, Chinese Medical Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zheng, B., et al. 中国成年人睡眠时长、午睡与失眠症状的分布及关联研究 [Distributions and Associations Between Duration of Sleep, Daytime Naps and Insomnia Symptoms Among Chinese Adults]. Zhonghua Yixuehui, Chinese Medical Association, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Zheng, B., et al. 中国成年人睡眠时长、午睡与失眠症状的分布及关联研究 [Distributions and Associations Between Duration of Sleep, Daytime Naps and Insomnia Symptoms Among Chinese Adults]. Zhonghua Yixuehui, Chinese Medical Association, 2017.
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