Afonja, S. A. (1971). Differential rates of industrial accidents between colured and white workers in Great Britain. University of Birminghaml.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAfonja, Simi A. Differential Rates of Industrial Accidents Between Colured and White Workers in Great Britain. England: University of Birminghaml, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAfonja, Simi A. Differential Rates of Industrial Accidents Between Colured and White Workers in Great Britain. University of Birminghaml, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.