Lambert, o. A., & Shopkow, L. (2001). The history of the counts of Guines and Lords of Ardres. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Lambert, of Ardres, agus Leah Shopkow. The History of the Counts of Guines and Lords of Ardres. Philadelphia [Pa.]: University of Pennsylvania Press, 2001.
Lua MLA (9ú heag.)Lambert, of Ardres, agus Leah Shopkow. The History of the Counts of Guines and Lords of Ardres. University of Pennsylvania Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.