APA-viite (7. p.)
Carlyle, R., & Carlyle, A. A History of Mediaeval Political Theory in the West: Political Theory from the Tenth Century to the Thirteenth. Willam Blackwood and Son.
Chicago-viite (17. p.)
Carlyle, R.W, ja A.J Carlyle. A History of Mediaeval Political Theory in the West: Political Theory from the Tenth Century to the Thirteenth. Edimburgo, Escocia : Londres, Inglaterra: Willam Blackwood and Son.
MLA-viite (9. p.)
Carlyle, R.W, ja A.J Carlyle. A History of Mediaeval Political Theory in the West: Political Theory from the Tenth Century to the Thirteenth. Willam Blackwood and Son.
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