APA-ийн эшлэл(7 дахь хэвлэлт)

Cooper, A. M. (1988). Doubt and identity in romantic poetry. Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cooper, Andrew M. Doubt and Identity in Romantic Poetry. New Haven: Yale University Press, 1988.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cooper, Andrew M. Doubt and Identity in Romantic Poetry. Yale University Press, 1988.