edited by Brian Opeskin, Richard Perruchoud, Jillyanne Redpath-Cross
Cambridge University Press,, 2012
Buku Teks
edited by Edward McWhinney [and others]
Martinus Nijhoff Publishers, 1991
Buku Teks SO
Nye, Joseph S.
Longman, 1997
Buku Teks
Presses Universitaires de France, 1951
Buku Teks
Padelford, Norman J.
Macmillan, 1962
Buku Teks SO