APA-ийн эшлэл(7 дахь хэвлэлт)

Berry, S. (1993). No condition is permanent: The social dynamics of agrarian change in sub-Saharan Africa. University of Wisconsin Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Berry, Sara. No Condition Is Permanent: The Social Dynamics of Agrarian Change in Sub-Saharan Africa. Madison, Wis.: University of Wisconsin Press, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Berry, Sara. No Condition Is Permanent: The Social Dynamics of Agrarian Change in Sub-Saharan Africa. University of Wisconsin Press, 1993.