Chen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, & MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
Čikaški stil citiranja (17. izdanje)Chen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, i MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
MLA način citiranja (9. izdanje)Chen Wei, et al. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.