The castle of perseverance. Four morality plays.(1979).
Citazione stile Chigago Style (17a edizione)"The Castle of Perseverance." Four Morality Plays.(1979) .
Citatione MLA (8a ed.)"The Castle of Perseverance." Four Morality Plays.(1979), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.