Campbell. Child Slaves in the Modern World. Ohio University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell. Child Slaves in the Modern World. Ohio University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCampbell. Child Slaves in the Modern World. Ohio University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.