APA-viite

Luo, X., Gong, X., Zhao, P., Zou, X., Chen, W., & Ling, L. (2017). Positive percentages of urine morphine tests among methadone maintenance treatment clients with HIV/AIDS: A 12-month follow-up study in Guangdong Province, China. BMJ Open.

Chicago-tyylinen lähdeviittaus

Luo, Xiaofeng, Xiao Gong, Peizhen Zhao, Xia Zou, Wen Chen, ja Li Ling. "Positive Percentages of Urine Morphine Tests Among Methadone Maintenance Treatment Clients With HIV/AIDS: A 12-month Follow-up Study in Guangdong Province, China." BMJ Open 2017.

MLA-viite

Luo, Xiaofeng, et al. "Positive Percentages of Urine Morphine Tests Among Methadone Maintenance Treatment Clients With HIV/AIDS: A 12-month Follow-up Study in Guangdong Province, China." BMJ Open 2017.

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