Lyon, B. (1957). From fief to indenture: The transition from feudal to non-feudal contract in Western Europe. Cambridge: Harvard University Press.
استشهاد بنمط شيكاغوLyon, Bryce. From Fief to Indenture: The Transition From Feudal to Non-feudal Contract in Western Europe. Cambridge: Harvard University Press, 1957.
MLA استشهادLyon, Bryce. From Fief to Indenture: The Transition From Feudal to Non-feudal Contract in Western Europe. Cambridge: Harvard University Press, 1957.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.