APA-ийн эшлэл(7 дахь хэвлэлт)

Lindenfeld, D. F. (1997). The practical imagination: The German sciences of state in the nineteenth century. University of Chicago Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Lindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. Chicago: University of Chicago Press, 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Lindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. University of Chicago Press, 1997.