Hose, Charles, 1863-1929
Oxford University Press, 1993
Buku Teks
Mackinnon, John Ramsay
[publisher not identified], [date of publication not identified]
Buku Teks
Robinson, Danielm
Lonely Publications Pty Ltd, 2011
Buku Referensi
Harrisson, Tom
Cornell University, 1969
Buku Teks SO
Harrisson, Tom
Cornell University, 1969
Buku Teks SO