Campbell, George L.
Routledge, 1998
Buku Teks
Katzner, Kenneth
Routledge, 1995
Buku Referensi
edited by Bernard Comrie
Oxford University Press, 1987
Buku Teks
edited by Bernard Comrie
Routledge, 1991
Buku Referensi
Pereltsvaig, Asya, 1972-
Cambridge University Press, 2012
Buku Teks