書名・著者名・出版社・出版年: England in the late Middle Ages / A.R. Myers. -- 8th ed., repr. with revisions. -- Penguin, 1976, c1971. -- 285 p., [24] p. of plates : ill., geneal. table, facsim., maps ; 18 cm. -- (Pelican books)(The Pelican history of England ; 4).