Chen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, & MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChen Wei, Wang Fusheng, Xiao Guofeng, Wu Kai, Zhang Shixuan, और MDPI. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChen Wei, et al. Air Quality of Beijing and Impacts of the New Ambient Air Quality Standard.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.