edited by Clement Semmler
Oxford University Press, 1967
Buku Teks
Styan, J.L., author
Cambridge University Pres, 1977
Buku Teks
editor, Cameron Hazlehurst
Australian National University Press, 1979
Buku Teks
edited by M.A.R. Habib
Cambridge University Press, 2013
Buku Teks
Longman, 1998
Buku Teks