APA-ийн эшлэл(7 дахь хэвлэлт)

Gregory, P. R. (2009). Terror by quota: State security from Lenin to Stalin : (an archival study). Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gregory, Paul R. Terror by Quota: State Security from Lenin to Stalin : (an Archival Study). New Haven: Yale University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gregory, Paul R. Terror by Quota: State Security from Lenin to Stalin : (an Archival Study). Yale University Press, 2009.