APA-viite (7. p.)

Chen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, & MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.

Chicago-viite (17. p.)

Chen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, ja MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.

MLA-viite (9. p.)

Chen Wei, et al. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.