foreword by Rex Warner
Galahad Books, 1975
Buku Referensi
with an introduction by Robert Graves
Paul Hamlyn, 1960
Buku Referensi
Rose, H. J., author
Routledge, 2000
Buku Referensi
Balqis Khairunnisa, author
2017
UI - Makalah dan Kertas Kerja
Cotterell, Arthur, author
Lorenz Books, 2013
Buku Teks