APA-ийн эшлэл(7 дахь хэвлэлт)

Duggan, A. (2000). Nobles and nobility in medieval Europe: Concepts, origins, transformations. Boydell Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Duggan, Anne. Nobles and Nobility in Medieval Europe: Concepts, Origins, Transformations. Woodbridge, Suffolk ; Rochester, N.Y.: Boydell Press, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Duggan, Anne. Nobles and Nobility in Medieval Europe: Concepts, Origins, Transformations. Boydell Press, 2000.