Trích dẫn APA

Du, N., Ouyang, Y., He, Z., Huang, J., Zhou, D., Yuan, Y., . . . Pan, K. (2021). The qualitative analysis of characteristic of callers to a psychological hotline at the early stage of COVID-19 in China. BMC Public Health.

Trích dẫn kiểu Chicago

Du, Na, et al. "The Qualitative Analysis of Characteristic of Callers to a Psychological Hotline At the Early Stage of COVID-19 in China." BMC Public Health 2021.

Trích dẫn MLA

Du, Na, et al. "The Qualitative Analysis of Characteristic of Callers to a Psychological Hotline At the Early Stage of COVID-19 in China." BMC Public Health 2021.

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