APA (7 वां संस्करण) प्रशस्ति पत्र
Berry, S. (1993). No condition is permanent: The social dynamics of agrarian change in sub-Saharan Africa. University of Wisconsin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Berry, Sara. No Condition Is Permanent: The Social Dynamics of Agrarian Change in Sub-Saharan Africa. Madison, Wis.: University of Wisconsin Press, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Berry, Sara. No Condition Is Permanent: The Social Dynamics of Agrarian Change in Sub-Saharan Africa. University of Wisconsin Press, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.