Acland, Henry W., author
Routledge/Thoemmes Press, 1996
Buku Referensi
chosen by John Gross
Oxford University Press, 1983
Buku Referensi
London, Oxford University Press
Buku Referensi
Oxford University Press, 2004
Buku Teks
edited by Daniel Bodansky, Jutta Brunnee and Ellen Hey
University of Oxford Press, 2008
Buku Teks