Chaucer, Geoffrey, author
Oxford University Press, [date of publication not identified]
Buku Teks
Chaucer, Geoffrey, author
Houghton Miffiln, 1957
Buku Teks
Rudd, Gillian, author
Routledge , 2001
Buku Teks
Robert Maynard Hutchins, editor in chief
Encyclopaedia Britannica, Inc., 1952
Buku Referensi
Artikel Jurnal