Wood, S. J. Conscience and the composition of Piers Plowman. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Wood, Sarah Joy. Conscience and the Composition of Piers Plowman. Oxford University Press.
Citatione MLA (8a ed.)Wood, Sarah Joy. Conscience and the Composition of Piers Plowman. Oxford University Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.