Wyard, S.J.
Akademie Verlag, 1973
Buku Teks
Moinat, Frédéric
[, Springer], 2012
eBooks
Saleh Alkatiri
Airlangga University Press, 1996
Buku Teks
Marshall, P.T.
Macdonald and Evans, 1974
Buku Teks
Murray, Patrick Desmond Fitzgerald
Macmillan, 1961
Buku Teks