Palmer, Robert Roswell, 1909-2002, author
Alfred A. Knopf, 1971
Buku Teks
Hughes, H. Stuart
Frentice Hall,, 1961
Buku Teks
Agren, Maria, author
Oxford University Press, 2017
eBooks
Blaufarb, Rafe, author
Oxford University Press, 2016
eBooks
edited by Margo Todd
Routledge, 1995
Buku Teks