APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Hoyt, R. S. (1968). Life and thought in the early Middle Ages. University of Minnesota Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Robert S. Hoyt. Life and Thought in the Early Middle Ages. Minneapolis: University of Minnesota Press, 1968.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Robert S. Hoyt. Life and Thought in the Early Middle Ages. University of Minnesota Press, 1968.