APA-ийн эшлэл(7 дахь хэвлэлт)

Mckeon, P. R. (1978). Hincmar of laon and Carolingian politics. University of Illinois Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Mckeon, Peter R. Hincmar of Laon and Carolingian Politics. Chicago: University of Illinois Press, 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Mckeon, Peter R. Hincmar of Laon and Carolingian Politics. University of Illinois Press, 1978.