Ball, Victoria Kloss, author
John Wiley & Sons, 1980
Buku Teks
edited by Iain Boyd Whyte
Routledge, Taylor & Francis Group, 2003
Buku Teks
Little, Brown And Company, 1971
Buku Teks
Ue Smith,, 1964
Buku Teks
Scott, Geoffrey
W.W. Norton , 1999
Buku Teks