Robson, David, author
Thames & Hudso, 2012
Buku Teks
Chaucer, Geoffrey, author
Houghton Miffiln, 1957
Buku Teks
general editors, Stanley Wells and Gary Taylor ; with an introduction by Stanley Wells
Claredon Press, 1988
Buku Teks
Rudd, Gillian, author
Routledge , 2001
Buku Teks
Jodidio, Philip, author
Taschen, 2012
Buku Referensi