Edinburgh University Press, 1966
Buku Teks
Hays, David G.
American Elsevier puvlishing, 1967
Buku Teks
William Bright, editor-in-chief
Oxford University Press, 1992
Buku Referensi
William Bright, editor-in-chief
Oxford University Press, 1992
Buku Referensi
William Bright, editor-in-chief
Oxford University Press, 1992
Buku Referensi